Home / 75,931.70-113,897.55-36,479.30

Finding the Fourth Proportional to 75,931.70, 113,897.55 and 36,479.30

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Solution

The fourth proportional to 75,931.70, 113,897.55 and 36,479.30 is: 54,718.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,931.70 : 113,897.55 = 36,479.30 : x
  2. Step 2: Convert to fraction form
    75,931.70/113,897.55 = 36,479.30/x
  3. Step 3: Cross multiply
    75,931.70x = 113,897.55 × 36,479.30
  4. Step 4: Simplify right side
    75,931.70x = 4,154,902,895.72
  5. Step 5: Solve for x
    x = 4,154,902,895.72/75,931.70
  6. Step 6: Final answer
    x = 54,718.95

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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.