Home / 90,293.81-124,543.57-61,950.29

Finding the Fourth Proportional to 90,293.81, 124,543.57 and 61,950.29

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Solution

The fourth proportional to 90,293.81, 124,543.57 and 61,950.29 is: 85,448.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,293.81 : 124,543.57 = 61,950.29 : x
  2. Step 2: Convert to fraction form
    90,293.81/124,543.57 = 61,950.29/x
  3. Step 3: Cross multiply
    90,293.81x = 124,543.57 × 61,950.29
  4. Step 4: Simplify right side
    90,293.81x = 7,715,510,279.14
  5. Step 5: Solve for x
    x = 7,715,510,279.14/90,293.81
  6. Step 6: Final answer
    x = 85,448.94

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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.