Home / 74,395.83-102,672.57-42,136.19

Finding the Fourth Proportional to 74,395.83, 102,672.57 and 42,136.19

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Solution

The fourth proportional to 74,395.83, 102,672.57 and 42,136.19 is: 58,151.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,395.83 : 102,672.57 = 42,136.19 : x
  2. Step 2: Convert to fraction form
    74,395.83/102,672.57 = 42,136.19/x
  3. Step 3: Cross multiply
    74,395.83x = 102,672.57 × 42,136.19
  4. Step 4: Simplify right side
    74,395.83x = 4,326,230,509.29
  5. Step 5: Solve for x
    x = 4,326,230,509.29/74,395.83
  6. Step 6: Final answer
    x = 58,151.52

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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.