Home / 124,398.19-171,663.03-70,675.75

Finding the Fourth Proportional to 124,398.19, 171,663.03 and 70,675.75

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Solution

The fourth proportional to 124,398.19, 171,663.03 and 70,675.75 is: 97,528.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,398.19 : 171,663.03 = 70,675.75 : x
  2. Step 2: Convert to fraction form
    124,398.19/171,663.03 = 70,675.75/x
  3. Step 3: Cross multiply
    124,398.19x = 171,663.03 × 70,675.75
  4. Step 4: Simplify right side
    124,398.19x = 12,132,413,039.14
  5. Step 5: Solve for x
    x = 12,132,413,039.14/124,398.19
  6. Step 6: Final answer
    x = 97,528.86

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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.