Home / 90,332.87-124,680.06-60,119.46

Finding the Fourth Proportional to 90,332.87, 124,680.06 and 60,119.46

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Solution

The fourth proportional to 90,332.87, 124,680.06 and 60,119.46 is: 82,978.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,332.87 : 124,680.06 = 60,119.46 : x
  2. Step 2: Convert to fraction form
    90,332.87/124,680.06 = 60,119.46/x
  3. Step 3: Cross multiply
    90,332.87x = 124,680.06 × 60,119.46
  4. Step 4: Simplify right side
    90,332.87x = 7,495,697,879.97
  5. Step 5: Solve for x
    x = 7,495,697,879.97/90,332.87
  6. Step 6: Final answer
    x = 82,978.64

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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.