Home / 124,375.19-171,642.35-70,669.31

Finding the Fourth Proportional to 124,375.19, 171,642.35 and 70,669.31

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Solution

The fourth proportional to 124,375.19, 171,642.35 and 70,669.31 is: 97,526.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,375.19 : 171,642.35 = 70,669.31 : x
  2. Step 2: Convert to fraction form
    124,375.19/171,642.35 = 70,669.31/x
  3. Step 3: Cross multiply
    124,375.19x = 171,642.35 × 70,669.31
  4. Step 4: Simplify right side
    124,375.19x = 12,129,845,229.72
  5. Step 5: Solve for x
    x = 12,129,845,229.72/124,375.19
  6. Step 6: Final answer
    x = 97,526.25

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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.