Home / 84,860.40-127,344.20-47,445.02

Finding the Fourth Proportional to 84,860.40, 127,344.20 and 47,445.02

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Solution

The fourth proportional to 84,860.40, 127,344.20 and 47,445.02 is: 71,197.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,860.40 : 127,344.20 = 47,445.02 : x
  2. Step 2: Convert to fraction form
    84,860.40/127,344.20 = 47,445.02/x
  3. Step 3: Cross multiply
    84,860.40x = 127,344.20 × 47,445.02
  4. Step 4: Simplify right side
    84,860.40x = 6,041,848,115.88
  5. Step 5: Solve for x
    x = 6,041,848,115.88/84,860.40
  6. Step 6: Final answer
    x = 71,197.50

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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.