Home / 124,271.08-171,488.20-70,549

Finding the Fourth Proportional to 124,271.08, 171,488.20 and 70,549

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Solution

The fourth proportional to 124,271.08, 171,488.20 and 70,549 is: 97,354.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,271.08 : 171,488.20 = 70,549 : x
  2. Step 2: Convert to fraction form
    124,271.08/171,488.20 = 70,549/x
  3. Step 3: Cross multiply
    124,271.08x = 171,488.20 × 70,549
  4. Step 4: Simplify right side
    124,271.08x = 12,098,321,021.80
  5. Step 5: Solve for x
    x = 12,098,321,021.80/124,271.08
  6. Step 6: Final answer
    x = 97,354.28

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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.