Home / 59,512.20-89,268.30-31,421.40

Finding the Fourth Proportional to 59,512.20, 89,268.30 and 31,421.40

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Solution

The fourth proportional to 59,512.20, 89,268.30 and 31,421.40 is: 47,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,512.20 : 89,268.30 = 31,421.40 : x
  2. Step 2: Convert to fraction form
    59,512.20/89,268.30 = 31,421.40/x
  3. Step 3: Cross multiply
    59,512.20x = 89,268.30 × 31,421.40
  4. Step 4: Simplify right side
    59,512.20x = 2,804,934,961.62
  5. Step 5: Solve for x
    x = 2,804,934,961.62/59,512.20
  6. Step 6: Final answer
    x = 47,132.10

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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.