Home / 90,000.57-124,198.40-49,713.47

Finding the Fourth Proportional to 90,000.57, 124,198.40 and 49,713.47

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Solution

The fourth proportional to 90,000.57, 124,198.40 and 49,713.47 is: 68,603.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,000.57 : 124,198.40 = 49,713.47 : x
  2. Step 2: Convert to fraction form
    90,000.57/124,198.40 = 49,713.47/x
  3. Step 3: Cross multiply
    90,000.57x = 124,198.40 × 49,713.47
  4. Step 4: Simplify right side
    90,000.57x = 6,174,333,432.45
  5. Step 5: Solve for x
    x = 6,174,333,432.45/90,000.57
  6. Step 6: Final answer
    x = 68,603.27

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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.