Home / 124,502.25-171,811.08-70,786.11

Finding the Fourth Proportional to 124,502.25, 171,811.08 and 70,786.11

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Solution

The fourth proportional to 124,502.25, 171,811.08 and 70,786.11 is: 97,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,502.25 : 171,811.08 = 70,786.11 : x
  2. Step 2: Convert to fraction form
    124,502.25/171,811.08 = 70,786.11/x
  3. Step 3: Cross multiply
    124,502.25x = 171,811.08 × 70,786.11
  4. Step 4: Simplify right side
    124,502.25x = 12,161,838,652.39
  5. Step 5: Solve for x
    x = 12,161,838,652.39/124,502.25
  6. Step 6: Final answer
    x = 97,683.68

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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.