Home / 124,534.40-171,857.76-70,818.08

Finding the Fourth Proportional to 124,534.40, 171,857.76 and 70,818.08

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Solution

The fourth proportional to 124,534.40, 171,857.76 and 70,818.08 is: 97,729.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,534.40 : 171,857.76 = 70,818.08 : x
  2. Step 2: Convert to fraction form
    124,534.40/171,857.76 = 70,818.08/x
  3. Step 3: Cross multiply
    124,534.40x = 171,857.76 × 70,818.08
  4. Step 4: Simplify right side
    124,534.40x = 12,170,636,596.30
  5. Step 5: Solve for x
    x = 12,170,636,596.30/124,534.40
  6. Step 6: Final answer
    x = 97,729.11

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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.