Home / 96,316.24-144,278.52-78,610

Finding the Fourth Proportional to 96,316.24, 144,278.52 and 78,610

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Solution

The fourth proportional to 96,316.24, 144,278.52 and 78,610 is: 117,755.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,316.24 : 144,278.52 = 78,610 : x
  2. Step 2: Convert to fraction form
    96,316.24/144,278.52 = 78,610/x
  3. Step 3: Cross multiply
    96,316.24x = 144,278.52 × 78,610
  4. Step 4: Simplify right side
    96,316.24x = 11,341,734,457.20
  5. Step 5: Solve for x
    x = 11,341,734,457.20/96,316.24
  6. Step 6: Final answer
    x = 117,755.16

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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.