Home / 63,717.12-87,927.30-35,422.20

Finding the Fourth Proportional to 63,717.12, 87,927.30 and 35,422.20

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Solution

The fourth proportional to 63,717.12, 87,927.30 and 35,422.20 is: 48,881.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,717.12 : 87,927.30 = 35,422.20 : x
  2. Step 2: Convert to fraction form
    63,717.12/87,927.30 = 35,422.20/x
  3. Step 3: Cross multiply
    63,717.12x = 87,927.30 × 35,422.20
  4. Step 4: Simplify right side
    63,717.12x = 3,114,578,406.06
  5. Step 5: Solve for x
    x = 3,114,578,406.06/63,717.12
  6. Step 6: Final answer
    x = 48,881.34

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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.