Home / 124,369.18-171,630.05-70,657.14

Finding the Fourth Proportional to 124,369.18, 171,630.05 and 70,657.14

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Solution

The fourth proportional to 124,369.18, 171,630.05 and 70,657.14 is: 97,507.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,369.18 : 171,630.05 = 70,657.14 : x
  2. Step 2: Convert to fraction form
    124,369.18/171,630.05 = 70,657.14/x
  3. Step 3: Cross multiply
    124,369.18x = 171,630.05 × 70,657.14
  4. Step 4: Simplify right side
    124,369.18x = 12,126,888,471.06
  5. Step 5: Solve for x
    x = 12,126,888,471.06/124,369.18
  6. Step 6: Final answer
    x = 97,507.18

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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.