Home / 124,614.20-171,961.60-70,894.16

Finding the Fourth Proportional to 124,614.20, 171,961.60 and 70,894.16

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Solution

The fourth proportional to 124,614.20, 171,961.60 and 70,894.16 is: 97,830.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,614.20 : 171,961.60 = 70,894.16 : x
  2. Step 2: Convert to fraction form
    124,614.20/171,961.60 = 70,894.16/x
  3. Step 3: Cross multiply
    124,614.20x = 171,961.60 × 70,894.16
  4. Step 4: Simplify right side
    124,614.20x = 12,191,073,184.26
  5. Step 5: Solve for x
    x = 12,191,073,184.26/124,614.20
  6. Step 6: Final answer
    x = 97,830.53

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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.