Home / 107,489.07-148,328.55-59,740.79

Finding the Fourth Proportional to 107,489.07, 148,328.55 and 59,740.79

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Solution

The fourth proportional to 107,489.07, 148,328.55 and 59,740.79 is: 82,438.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,489.07 : 148,328.55 = 59,740.79 : x
  2. Step 2: Convert to fraction form
    107,489.07/148,328.55 = 59,740.79/x
  3. Step 3: Cross multiply
    107,489.07x = 148,328.55 × 59,740.79
  4. Step 4: Simplify right side
    107,489.07x = 8,861,264,014.91
  5. Step 5: Solve for x
    x = 8,861,264,014.91/107,489.07
  6. Step 6: Final answer
    x = 82,438.74

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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.