Home / 122,502.41-169,005.08-70,785.33

Finding the Fourth Proportional to 122,502.41, 169,005.08 and 70,785.33

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Solution

The fourth proportional to 122,502.41, 169,005.08 and 70,785.33 is: 97,655.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,502.41 : 169,005.08 = 70,785.33 : x
  2. Step 2: Convert to fraction form
    122,502.41/169,005.08 = 70,785.33/x
  3. Step 3: Cross multiply
    122,502.41x = 169,005.08 × 70,785.33
  4. Step 4: Simplify right side
    122,502.41x = 11,963,079,902.67
  5. Step 5: Solve for x
    x = 11,963,079,902.67/122,502.41
  6. Step 6: Final answer
    x = 97,655.87

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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.