Home / 124,434.20-171,733.76-70,727.28

Finding the Fourth Proportional to 124,434.20, 171,733.76 and 70,727.28

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Solution

The fourth proportional to 124,434.20, 171,733.76 and 70,727.28 is: 97,611.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,434.20 : 171,733.76 = 70,727.28 : x
  2. Step 2: Convert to fraction form
    124,434.20/171,733.76 = 70,727.28/x
  3. Step 3: Cross multiply
    124,434.20x = 171,733.76 × 70,727.28
  4. Step 4: Simplify right side
    124,434.20x = 12,146,261,905.79
  5. Step 5: Solve for x
    x = 12,146,261,905.79/124,434.20
  6. Step 6: Final answer
    x = 97,611.93

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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.