Home / 77,123.56-115,683.18-24,536.20

Finding the Fourth Proportional to 77,123.56, 115,683.18 and 24,536.20

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Solution

The fourth proportional to 77,123.56, 115,683.18 and 24,536.20 is: 36,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,123.56 : 115,683.18 = 24,536.20 : x
  2. Step 2: Convert to fraction form
    77,123.56/115,683.18 = 24,536.20/x
  3. Step 3: Cross multiply
    77,123.56x = 115,683.18 × 24,536.20
  4. Step 4: Simplify right side
    77,123.56x = 2,838,425,641.12
  5. Step 5: Solve for x
    x = 2,838,425,641.12/77,123.56
  6. Step 6: Final answer
    x = 36,803.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.