Home / 65,530.12-98,332.51-25,543.90

Finding the Fourth Proportional to 65,530.12, 98,332.51 and 25,543.90

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Solution

The fourth proportional to 65,530.12, 98,332.51 and 25,543.90 is: 38,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,530.12 : 98,332.51 = 25,543.90 : x
  2. Step 2: Convert to fraction form
    65,530.12/98,332.51 = 25,543.90/x
  3. Step 3: Cross multiply
    65,530.12x = 98,332.51 × 25,543.90
  4. Step 4: Simplify right side
    65,530.12x = 2,511,795,866.05
  5. Step 5: Solve for x
    x = 2,511,795,866.05/65,530.12
  6. Step 6: Final answer
    x = 38,330.40

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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.