Home / 48,580.12-72,870.18-13,522.51

Finding the Fourth Proportional to 48,580.12, 72,870.18 and 13,522.51

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Solution

The fourth proportional to 48,580.12, 72,870.18 and 13,522.51 is: 20,283.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,580.12 : 72,870.18 = 13,522.51 : x
  2. Step 2: Convert to fraction form
    48,580.12/72,870.18 = 13,522.51/x
  3. Step 3: Cross multiply
    48,580.12x = 72,870.18 × 13,522.51
  4. Step 4: Simplify right side
    48,580.12x = 985,387,737.75
  5. Step 5: Solve for x
    x = 985,387,737.75/48,580.12
  6. Step 6: Final answer
    x = 20,283.77

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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.