Home / 96,053.85-132,431.07-78,762.50

Finding the Fourth Proportional to 96,053.85, 132,431.07 and 78,762.50

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Solution

The fourth proportional to 96,053.85, 132,431.07 and 78,762.50 is: 108,591.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,053.85 : 132,431.07 = 78,762.50 : x
  2. Step 2: Convert to fraction form
    96,053.85/132,431.07 = 78,762.50/x
  3. Step 3: Cross multiply
    96,053.85x = 132,431.07 × 78,762.50
  4. Step 4: Simplify right side
    96,053.85x = 10,430,601,094.91
  5. Step 5: Solve for x
    x = 10,430,601,094.91/96,053.85
  6. Step 6: Final answer
    x = 108,591.19

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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.