Home / 50,818.19-70,132.50-28,158.17

Finding the Fourth Proportional to 50,818.19, 70,132.50 and 28,158.17

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Solution

The fourth proportional to 50,818.19, 70,132.50 and 28,158.17 is: 38,860.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,818.19 : 70,132.50 = 28,158.17 : x
  2. Step 2: Convert to fraction form
    50,818.19/70,132.50 = 28,158.17/x
  3. Step 3: Cross multiply
    50,818.19x = 70,132.50 × 28,158.17
  4. Step 4: Simplify right side
    50,818.19x = 1,974,802,506.86
  5. Step 5: Solve for x
    x = 1,974,802,506.86/50,818.19
  6. Step 6: Final answer
    x = 38,860.15

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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.