Home / 126,461.16-174,514.66-69,871.72

Finding the Fourth Proportional to 126,461.16, 174,514.66 and 69,871.72

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Solution

The fourth proportional to 126,461.16, 174,514.66 and 69,871.72 is: 96,422.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,461.16 : 174,514.66 = 69,871.72 : x
  2. Step 2: Convert to fraction form
    126,461.16/174,514.66 = 69,871.72/x
  3. Step 3: Cross multiply
    126,461.16x = 174,514.66 × 69,871.72
  4. Step 4: Simplify right side
    126,461.16x = 12,193,639,459.42
  5. Step 5: Solve for x
    x = 12,193,639,459.42/126,461.16
  6. Step 6: Final answer
    x = 96,422.01

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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.