Home / 62,535.12-93,812.28-20,972.40

Finding the Fourth Proportional to 62,535.12, 93,812.28 and 20,972.40

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Solution

The fourth proportional to 62,535.12, 93,812.28 and 20,972.40 is: 31,461.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,535.12 : 93,812.28 = 20,972.40 : x
  2. Step 2: Convert to fraction form
    62,535.12/93,812.28 = 20,972.40/x
  3. Step 3: Cross multiply
    62,535.12x = 93,812.28 × 20,972.40
  4. Step 4: Simplify right side
    62,535.12x = 1,967,468,661.07
  5. Step 5: Solve for x
    x = 1,967,468,661.07/62,535.12
  6. Step 6: Final answer
    x = 31,461.82

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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.