Home / 99,366.18-137,125.23-56,924.88

Finding the Fourth Proportional to 99,366.18, 137,125.23 and 56,924.88

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Solution

The fourth proportional to 99,366.18, 137,125.23 and 56,924.88 is: 78,556.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,366.18 : 137,125.23 = 56,924.88 : x
  2. Step 2: Convert to fraction form
    99,366.18/137,125.23 = 56,924.88/x
  3. Step 3: Cross multiply
    99,366.18x = 137,125.23 × 56,924.88
  4. Step 4: Simplify right side
    99,366.18x = 7,805,837,262.72
  5. Step 5: Solve for x
    x = 7,805,837,262.72/99,366.18
  6. Step 6: Final answer
    x = 78,556.28

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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.