Home / 107,374.68-148,190.04-64,937.16

Finding the Fourth Proportional to 107,374.68, 148,190.04 and 64,937.16

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Solution

The fourth proportional to 107,374.68, 148,190.04 and 64,937.16 is: 89,621.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,374.68 : 148,190.04 = 64,937.16 : x
  2. Step 2: Convert to fraction form
    107,374.68/148,190.04 = 64,937.16/x
  3. Step 3: Cross multiply
    107,374.68x = 148,190.04 × 64,937.16
  4. Step 4: Simplify right side
    107,374.68x = 9,623,040,337.89
  5. Step 5: Solve for x
    x = 9,623,040,337.89/107,374.68
  6. Step 6: Final answer
    x = 89,621.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.