Home / 85,203.83-117,567.45-49,386.84

Finding the Fourth Proportional to 85,203.83, 117,567.45 and 49,386.84

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Solution

The fourth proportional to 85,203.83, 117,567.45 and 49,386.84 is: 68,145.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,203.83 : 117,567.45 = 49,386.84 : x
  2. Step 2: Convert to fraction form
    85,203.83/117,567.45 = 49,386.84/x
  3. Step 3: Cross multiply
    85,203.83x = 117,567.45 × 49,386.84
  4. Step 4: Simplify right side
    85,203.83x = 5,806,284,842.36
  5. Step 5: Solve for x
    x = 5,806,284,842.36/85,203.83
  6. Step 6: Final answer
    x = 68,145.82

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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.