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Finding the Fourth Proportional to 85,041.83, 117,357.74 and 46,801.38

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Solution

The fourth proportional to 85,041.83, 117,357.74 and 46,801.38 is: 64,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,041.83 : 117,357.74 = 46,801.38 : x
  2. Step 2: Convert to fraction form
    85,041.83/117,357.74 = 46,801.38/x
  3. Step 3: Cross multiply
    85,041.83x = 117,357.74 × 46,801.38
  4. Step 4: Simplify right side
    85,041.83x = 5,492,503,951.67
  5. Step 5: Solve for x
    x = 5,492,503,951.67/85,041.83
  6. Step 6: Final answer
    x = 64,585.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.