Home / 124,548.78-171,881.10-70,841.52

Finding the Fourth Proportional to 124,548.78, 171,881.10 and 70,841.52

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Solution

The fourth proportional to 124,548.78, 171,881.10 and 70,841.52 is: 97,763.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,548.78 : 171,881.10 = 70,841.52 : x
  2. Step 2: Convert to fraction form
    124,548.78/171,881.10 = 70,841.52/x
  3. Step 3: Cross multiply
    124,548.78x = 171,881.10 × 70,841.52
  4. Step 4: Simplify right side
    124,548.78x = 12,176,318,383.27
  5. Step 5: Solve for x
    x = 12,176,318,383.27/124,548.78
  6. Step 6: Final answer
    x = 97,763.45

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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.