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Finding the Fourth Proportional to 85,124.66, 117,470.92 and 46,883.48

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Solution

The fourth proportional to 85,124.66, 117,470.92 and 46,883.48 is: 64,698.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,124.66 : 117,470.92 = 46,883.48 : x
  2. Step 2: Convert to fraction form
    85,124.66/117,470.92 = 46,883.48/x
  3. Step 3: Cross multiply
    85,124.66x = 117,470.92 × 46,883.48
  4. Step 4: Simplify right side
    85,124.66x = 5,507,445,528.40
  5. Step 5: Solve for x
    x = 5,507,445,528.40/85,124.66
  6. Step 6: Final answer
    x = 64,698.59

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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.