Home / 90,045.17-135,025.36-52,616.04

Finding the Fourth Proportional to 90,045.17, 135,025.36 and 52,616.04

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Solution

The fourth proportional to 90,045.17, 135,025.36 and 52,616.04 is: 78,899.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,045.17 : 135,025.36 = 52,616.04 : x
  2. Step 2: Convert to fraction form
    90,045.17/135,025.36 = 52,616.04/x
  3. Step 3: Cross multiply
    90,045.17x = 135,025.36 × 52,616.04
  4. Step 4: Simplify right side
    90,045.17x = 7,104,499,742.77
  5. Step 5: Solve for x
    x = 7,104,499,742.77/90,045.17
  6. Step 6: Final answer
    x = 78,899.29

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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.