Home / 126,461.72-174,515.10-69,875.48

Finding the Fourth Proportional to 126,461.72, 174,515.10 and 69,875.48

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Solution

The fourth proportional to 126,461.72, 174,515.10 and 69,875.48 is: 96,427.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,461.72 : 174,515.10 = 69,875.48 : x
  2. Step 2: Convert to fraction form
    126,461.72/174,515.10 = 69,875.48/x
  3. Step 3: Cross multiply
    126,461.72x = 174,515.10 × 69,875.48
  4. Step 4: Simplify right side
    126,461.72x = 12,194,326,379.75
  5. Step 5: Solve for x
    x = 12,194,326,379.75/126,461.72
  6. Step 6: Final answer
    x = 96,427.02

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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.