Home / 75,023.60-112,535.40-48,585.20

Finding the Fourth Proportional to 75,023.60, 112,535.40 and 48,585.20

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Solution

The fourth proportional to 75,023.60, 112,535.40 and 48,585.20 is: 72,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,023.60 : 112,535.40 = 48,585.20 : x
  2. Step 2: Convert to fraction form
    75,023.60/112,535.40 = 48,585.20/x
  3. Step 3: Cross multiply
    75,023.60x = 112,535.40 × 48,585.20
  4. Step 4: Simplify right side
    75,023.60x = 5,467,554,916.08
  5. Step 5: Solve for x
    x = 5,467,554,916.08/75,023.60
  6. Step 6: Final answer
    x = 72,877.80

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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.