Home / 90,073.44-124,294.77-49,784.94

Finding the Fourth Proportional to 90,073.44, 124,294.77 and 49,784.94

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Solution

The fourth proportional to 90,073.44, 124,294.77 and 49,784.94 is: 68,699.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,073.44 : 124,294.77 = 49,784.94 : x
  2. Step 2: Convert to fraction form
    90,073.44/124,294.77 = 49,784.94/x
  3. Step 3: Cross multiply
    90,073.44x = 124,294.77 × 49,784.94
  4. Step 4: Simplify right side
    90,073.44x = 6,188,007,666.76
  5. Step 5: Solve for x
    x = 6,188,007,666.76/90,073.44
  6. Step 6: Final answer
    x = 68,699.58

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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.