Home / 71,134.08-98,122.80-45,998.40

Finding the Fourth Proportional to 71,134.08, 98,122.80 and 45,998.40

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Solution

The fourth proportional to 71,134.08, 98,122.80 and 45,998.40 is: 63,450.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,134.08 : 98,122.80 = 45,998.40 : x
  2. Step 2: Convert to fraction form
    71,134.08/98,122.80 = 45,998.40/x
  3. Step 3: Cross multiply
    71,134.08x = 98,122.80 × 45,998.40
  4. Step 4: Simplify right side
    71,134.08x = 4,513,491,803.52
  5. Step 5: Solve for x
    x = 4,513,491,803.52/71,134.08
  6. Step 6: Final answer
    x = 63,450.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.