Home / 84,851.20-127,228.80-32,262.40

Finding the Fourth Proportional to 84,851.20, 127,228.80 and 32,262.40

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Solution

The fourth proportional to 84,851.20, 127,228.80 and 32,262.40 is: 48,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,851.20 : 127,228.80 = 32,262.40 : x
  2. Step 2: Convert to fraction form
    84,851.20/127,228.80 = 32,262.40/x
  3. Step 3: Cross multiply
    84,851.20x = 127,228.80 × 32,262.40
  4. Step 4: Simplify right side
    84,851.20x = 4,104,706,437.12
  5. Step 5: Solve for x
    x = 4,104,706,437.12/84,851.20
  6. Step 6: Final answer
    x = 48,375.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.