Home / 48,301.17-72,443.43-12,762.89

Finding the Fourth Proportional to 48,301.17, 72,443.43 and 12,762.89

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Solution

The fourth proportional to 48,301.17, 72,443.43 and 12,762.89 is: 19,142.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,301.17 : 72,443.43 = 12,762.89 : x
  2. Step 2: Convert to fraction form
    48,301.17/72,443.43 = 12,762.89/x
  3. Step 3: Cross multiply
    48,301.17x = 72,443.43 × 12,762.89
  4. Step 4: Simplify right side
    48,301.17x = 924,587,166.10
  5. Step 5: Solve for x
    x = 924,587,166.10/48,301.17
  6. Step 6: Final answer
    x = 19,142.13

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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.