Home / 52,002.40-78,061.20-48,618.40

Finding the Fourth Proportional to 52,002.40, 78,061.20 and 48,618.40

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Solution

The fourth proportional to 52,002.40, 78,061.20 and 48,618.40 is: 72,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,002.40 : 78,061.20 = 48,618.40 : x
  2. Step 2: Convert to fraction form
    52,002.40/78,061.20 = 48,618.40/x
  3. Step 3: Cross multiply
    52,002.40x = 78,061.20 × 48,618.40
  4. Step 4: Simplify right side
    52,002.40x = 3,795,210,646.08
  5. Step 5: Solve for x
    x = 3,795,210,646.08/52,002.40
  6. Step 6: Final answer
    x = 72,981.45

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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.