Home / 124,517.80-171,827.86-70,795.40

Finding the Fourth Proportional to 124,517.80, 171,827.86 and 70,795.40

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Solution

The fourth proportional to 124,517.80, 171,827.86 and 70,795.40 is: 97,693.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,517.80 : 171,827.86 = 70,795.40 : x
  2. Step 2: Convert to fraction form
    124,517.80/171,827.86 = 70,795.40/x
  3. Step 3: Cross multiply
    124,517.80x = 171,827.86 × 70,795.40
  4. Step 4: Simplify right side
    124,517.80x = 12,164,622,079.84
  5. Step 5: Solve for x
    x = 12,164,622,079.84/124,517.80
  6. Step 6: Final answer
    x = 97,693.84

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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.