Home / 103,412.48-155,127.21-44,248.76

Finding the Fourth Proportional to 103,412.48, 155,127.21 and 44,248.76

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Solution

The fourth proportional to 103,412.48, 155,127.21 and 44,248.76 is: 66,376.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,412.48 : 155,127.21 = 44,248.76 : x
  2. Step 2: Convert to fraction form
    103,412.48/155,127.21 = 44,248.76/x
  3. Step 3: Cross multiply
    103,412.48x = 155,127.21 × 44,248.76
  4. Step 4: Simplify right side
    103,412.48x = 6,864,186,684.76
  5. Step 5: Solve for x
    x = 6,864,186,684.76/103,412.48
  6. Step 6: Final answer
    x = 66,376.77

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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.