Home / 91,444.40-137,166.60-38,956.40

Finding the Fourth Proportional to 91,444.40, 137,166.60 and 38,956.40

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Solution

The fourth proportional to 91,444.40, 137,166.60 and 38,956.40 is: 58,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,444.40 : 137,166.60 = 38,956.40 : x
  2. Step 2: Convert to fraction form
    91,444.40/137,166.60 = 38,956.40/x
  3. Step 3: Cross multiply
    91,444.40x = 137,166.60 × 38,956.40
  4. Step 4: Simplify right side
    91,444.40x = 5,343,516,936.24
  5. Step 5: Solve for x
    x = 5,343,516,936.24/91,444.40
  6. Step 6: Final answer
    x = 58,434.60

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1.5x scale

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.