Home / 124,437.86-171,719.97-70,721.94

Finding the Fourth Proportional to 124,437.86, 171,719.97 and 70,721.94

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Solution

The fourth proportional to 124,437.86, 171,719.97 and 70,721.94 is: 97,593.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,437.86 : 171,719.97 = 70,721.94 : x
  2. Step 2: Convert to fraction form
    124,437.86/171,719.97 = 70,721.94/x
  3. Step 3: Cross multiply
    124,437.86x = 171,719.97 × 70,721.94
  4. Step 4: Simplify right side
    124,437.86x = 12,144,369,415.14
  5. Step 5: Solve for x
    x = 12,144,369,415.14/124,437.86
  6. Step 6: Final answer
    x = 97,593.85

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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.