Home / 74,916.47-103,387.87-43,085.40

Finding the Fourth Proportional to 74,916.47, 103,387.87 and 43,085.40

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Solution

The fourth proportional to 74,916.47, 103,387.87 and 43,085.40 is: 59,459.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,916.47 : 103,387.87 = 43,085.40 : x
  2. Step 2: Convert to fraction form
    74,916.47/103,387.87 = 43,085.40/x
  3. Step 3: Cross multiply
    74,916.47x = 103,387.87 × 43,085.40
  4. Step 4: Simplify right side
    74,916.47x = 4,454,507,734.10
  5. Step 5: Solve for x
    x = 4,454,507,734.10/74,916.47
  6. Step 6: Final answer
    x = 59,459.66

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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.