Home / 90,263.20-124,564.77-49,430.92

Finding the Fourth Proportional to 90,263.20, 124,564.77 and 49,430.92

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Solution

The fourth proportional to 90,263.20, 124,564.77 and 49,430.92 is: 68,215.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,263.20 : 124,564.77 = 49,430.92 : x
  2. Step 2: Convert to fraction form
    90,263.20/124,564.77 = 49,430.92/x
  3. Step 3: Cross multiply
    90,263.20x = 124,564.77 × 49,430.92
  4. Step 4: Simplify right side
    90,263.20x = 6,157,351,180.69
  5. Step 5: Solve for x
    x = 6,157,351,180.69/90,263.20
  6. Step 6: Final answer
    x = 68,215.52

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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.