Home / 90,776.76-125,201.07-62,113.50

Finding the Fourth Proportional to 90,776.76, 125,201.07 and 62,113.50

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Solution

The fourth proportional to 90,776.76, 125,201.07 and 62,113.50 is: 85,668.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,776.76 : 125,201.07 = 62,113.50 : x
  2. Step 2: Convert to fraction form
    90,776.76/125,201.07 = 62,113.50/x
  3. Step 3: Cross multiply
    90,776.76x = 125,201.07 × 62,113.50
  4. Step 4: Simplify right side
    90,776.76x = 7,776,676,661.45
  5. Step 5: Solve for x
    x = 7,776,676,661.45/90,776.76
  6. Step 6: Final answer
    x = 85,668.15

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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.