Home / 75,363.40-113,045.02-28,616.20

Finding the Fourth Proportional to 75,363.40, 113,045.02 and 28,616.20

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Solution

The fourth proportional to 75,363.40, 113,045.02 and 28,616.20 is: 42,924.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,363.40 : 113,045.02 = 28,616.20 : x
  2. Step 2: Convert to fraction form
    75,363.40/113,045.02 = 28,616.20/x
  3. Step 3: Cross multiply
    75,363.40x = 113,045.02 × 28,616.20
  4. Step 4: Simplify right side
    75,363.40x = 3,234,918,901.32
  5. Step 5: Solve for x
    x = 3,234,918,901.32/75,363.40
  6. Step 6: Final answer
    x = 42,924.27

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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.