Home / 109,864.02-151,611.48-62,126.76

Finding the Fourth Proportional to 109,864.02, 151,611.48 and 62,126.76

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Solution

The fourth proportional to 109,864.02, 151,611.48 and 62,126.76 is: 85,734.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,864.02 : 151,611.48 = 62,126.76 : x
  2. Step 2: Convert to fraction form
    109,864.02/151,611.48 = 62,126.76/x
  3. Step 3: Cross multiply
    109,864.02x = 151,611.48 × 62,126.76
  4. Step 4: Simplify right side
    109,864.02x = 9,419,130,031.20
  5. Step 5: Solve for x
    x = 9,419,130,031.20/109,864.02
  6. Step 6: Final answer
    x = 85,734.44

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1.5x scale

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.