Home / 107,084.05-147,774.21-58,685.60

Finding the Fourth Proportional to 107,084.05, 147,774.21 and 58,685.60

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Solution

The fourth proportional to 107,084.05, 147,774.21 and 58,685.60 is: 80,985.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,084.05 : 147,774.21 = 58,685.60 : x
  2. Step 2: Convert to fraction form
    107,084.05/147,774.21 = 58,685.60/x
  3. Step 3: Cross multiply
    107,084.05x = 147,774.21 × 58,685.60
  4. Step 4: Simplify right side
    107,084.05x = 8,672,218,178.38
  5. Step 5: Solve for x
    x = 8,672,218,178.38/107,084.05
  6. Step 6: Final answer
    x = 80,985.15

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1.5x scale

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.