Home / 62,428.64-93,642.96-15,681.52

Finding the Fourth Proportional to 62,428.64, 93,642.96 and 15,681.52

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Solution

The fourth proportional to 62,428.64, 93,642.96 and 15,681.52 is: 23,522.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,428.64 : 93,642.96 = 15,681.52 : x
  2. Step 2: Convert to fraction form
    62,428.64/93,642.96 = 15,681.52/x
  3. Step 3: Cross multiply
    62,428.64x = 93,642.96 × 15,681.52
  4. Step 4: Simplify right side
    62,428.64x = 1,468,463,950.10
  5. Step 5: Solve for x
    x = 1,468,463,950.10/62,428.64
  6. Step 6: Final answer
    x = 23,522.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.