Home / 124,342.94-171,587.89-70,627.79

Finding the Fourth Proportional to 124,342.94, 171,587.89 and 70,627.79

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Solution

The fourth proportional to 124,342.94, 171,587.89 and 70,627.79 is: 97,463.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,342.94 : 171,587.89 = 70,627.79 : x
  2. Step 2: Convert to fraction form
    124,342.94/171,587.89 = 70,627.79/x
  3. Step 3: Cross multiply
    124,342.94x = 171,587.89 × 70,627.79
  4. Step 4: Simplify right side
    124,342.94x = 12,118,873,461.46
  5. Step 5: Solve for x
    x = 12,118,873,461.46/124,342.94
  6. Step 6: Final answer
    x = 97,463.30

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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.