Home / 75,423.48-112,962.96-36,008.40

Finding the Fourth Proportional to 75,423.48, 112,962.96 and 36,008.40

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Solution

The fourth proportional to 75,423.48, 112,962.96 and 36,008.40 is: 53,930.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,423.48 : 112,962.96 = 36,008.40 : x
  2. Step 2: Convert to fraction form
    75,423.48/112,962.96 = 36,008.40/x
  3. Step 3: Cross multiply
    75,423.48x = 112,962.96 × 36,008.40
  4. Step 4: Simplify right side
    75,423.48x = 4,067,615,448.86
  5. Step 5: Solve for x
    x = 4,067,615,448.86/75,423.48
  6. Step 6: Final answer
    x = 53,930.36

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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.