Home / 125,052.02-172,588.22-71,324.72

Finding the Fourth Proportional to 125,052.02, 172,588.22 and 71,324.72

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Solution

The fourth proportional to 125,052.02, 172,588.22 and 71,324.72 is: 98,437.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,052.02 : 172,588.22 = 71,324.72 : x
  2. Step 2: Convert to fraction form
    125,052.02/172,588.22 = 71,324.72/x
  3. Step 3: Cross multiply
    125,052.02x = 172,588.22 × 71,324.72
  4. Step 4: Simplify right side
    125,052.02x = 12,309,805,247.23
  5. Step 5: Solve for x
    x = 12,309,805,247.23/125,052.02
  6. Step 6: Final answer
    x = 98,437.48

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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.