Home / 113,007.38-155,950.20-62,706.38

Finding the Fourth Proportional to 113,007.38, 155,950.20 and 62,706.38

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Solution

The fourth proportional to 113,007.38, 155,950.20 and 62,706.38 is: 86,534.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,007.38 : 155,950.20 = 62,706.38 : x
  2. Step 2: Convert to fraction form
    113,007.38/155,950.20 = 62,706.38/x
  3. Step 3: Cross multiply
    113,007.38x = 155,950.20 × 62,706.38
  4. Step 4: Simplify right side
    113,007.38x = 9,779,071,722.53
  5. Step 5: Solve for x
    x = 9,779,071,722.53/113,007.38
  6. Step 6: Final answer
    x = 86,534.81

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1.5x scale

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.