Home / 103,487.13-155,120.18-59,018.13

Finding the Fourth Proportional to 103,487.13, 155,120.18 and 59,018.13

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Solution

The fourth proportional to 103,487.13, 155,120.18 and 59,018.13 is: 88,464.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,487.13 : 155,120.18 = 59,018.13 : x
  2. Step 2: Convert to fraction form
    103,487.13/155,120.18 = 59,018.13/x
  3. Step 3: Cross multiply
    103,487.13x = 155,120.18 × 59,018.13
  4. Step 4: Simplify right side
    103,487.13x = 9,154,902,653.77
  5. Step 5: Solve for x
    x = 9,154,902,653.77/103,487.13
  6. Step 6: Final answer
    x = 88,464.17

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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.