Home / 85,935.71-118,589.49-47,693.04

Finding the Fourth Proportional to 85,935.71, 118,589.49 and 47,693.04

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Solution

The fourth proportional to 85,935.71, 118,589.49 and 47,693.04 is: 65,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,935.71 : 118,589.49 = 47,693.04 : x
  2. Step 2: Convert to fraction form
    85,935.71/118,589.49 = 47,693.04/x
  3. Step 3: Cross multiply
    85,935.71x = 118,589.49 × 47,693.04
  4. Step 4: Simplify right side
    85,935.71x = 5,655,893,024.29
  5. Step 5: Solve for x
    x = 5,655,893,024.29/85,935.71
  6. Step 6: Final answer
    x = 65,815.40

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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.