Home / 77,572.32-107,017.92-49,267.68

Finding the Fourth Proportional to 77,572.32, 107,017.92 and 49,267.68

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Solution

The fourth proportional to 77,572.32, 107,017.92 and 49,267.68 is: 67,969.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,572.32 : 107,017.92 = 49,267.68 : x
  2. Step 2: Convert to fraction form
    77,572.32/107,017.92 = 49,267.68/x
  3. Step 3: Cross multiply
    77,572.32x = 107,017.92 × 49,267.68
  4. Step 4: Simplify right side
    77,572.32x = 5,272,524,636.83
  5. Step 5: Solve for x
    x = 5,272,524,636.83/77,572.32
  6. Step 6: Final answer
    x = 67,969.15

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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.