Home / 75,276.20-112,784.70-63,612.20

Finding the Fourth Proportional to 75,276.20, 112,784.70 and 63,612.20

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Solution

The fourth proportional to 75,276.20, 112,784.70 and 63,612.20 is: 95,308.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,276.20 : 112,784.70 = 63,612.20 : x
  2. Step 2: Convert to fraction form
    75,276.20/112,784.70 = 63,612.20/x
  3. Step 3: Cross multiply
    75,276.20x = 112,784.70 × 63,612.20
  4. Step 4: Simplify right side
    75,276.20x = 7,174,482,893.34
  5. Step 5: Solve for x
    x = 7,174,482,893.34/75,276.20
  6. Step 6: Final answer
    x = 95,308.78

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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.