Home / 124,613.85-171,964.89-70,897.71

Finding the Fourth Proportional to 124,613.85, 171,964.89 and 70,897.71

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Solution

The fourth proportional to 124,613.85, 171,964.89 and 70,897.71 is: 97,837.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,613.85 : 171,964.89 = 70,897.71 : x
  2. Step 2: Convert to fraction form
    124,613.85/171,964.89 = 70,897.71/x
  3. Step 3: Cross multiply
    124,613.85x = 171,964.89 × 70,897.71
  4. Step 4: Simplify right side
    124,613.85x = 12,191,916,901.40
  5. Step 5: Solve for x
    x = 12,191,916,901.40/124,613.85
  6. Step 6: Final answer
    x = 97,837.58

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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.