Home / 90,646.20-135,952.29-38,056.14

Finding the Fourth Proportional to 90,646.20, 135,952.29 and 38,056.14

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Solution

The fourth proportional to 90,646.20, 135,952.29 and 38,056.14 is: 57,077.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,646.20 : 135,952.29 = 38,056.14 : x
  2. Step 2: Convert to fraction form
    90,646.20/135,952.29 = 38,056.14/x
  3. Step 3: Cross multiply
    90,646.20x = 135,952.29 × 38,056.14
  4. Step 4: Simplify right side
    90,646.20x = 5,173,819,381.56
  5. Step 5: Solve for x
    x = 5,173,819,381.56/90,646.20
  6. Step 6: Final answer
    x = 57,077.07

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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.