Home / 126,475.02-174,528.68-69,882.75

Finding the Fourth Proportional to 126,475.02, 174,528.68 and 69,882.75

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Solution

The fourth proportional to 126,475.02, 174,528.68 and 69,882.75 is: 96,434.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,475.02 : 174,528.68 = 69,882.75 : x
  2. Step 2: Convert to fraction form
    126,475.02/174,528.68 = 69,882.75/x
  3. Step 3: Cross multiply
    126,475.02x = 174,528.68 × 69,882.75
  4. Step 4: Simplify right side
    126,475.02x = 12,196,543,762.86
  5. Step 5: Solve for x
    x = 12,196,543,762.86/126,475.02
  6. Step 6: Final answer
    x = 96,434.41

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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.