Home / 75,020.40-112,530.60-47,026.80

Finding the Fourth Proportional to 75,020.40, 112,530.60 and 47,026.80

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Solution

The fourth proportional to 75,020.40, 112,530.60 and 47,026.80 is: 70,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,020.40 : 112,530.60 = 47,026.80 : x
  2. Step 2: Convert to fraction form
    75,020.40/112,530.60 = 47,026.80/x
  3. Step 3: Cross multiply
    75,020.40x = 112,530.60 × 47,026.80
  4. Step 4: Simplify right side
    75,020.40x = 5,291,954,020.08
  5. Step 5: Solve for x
    x = 5,291,954,020.08/75,020.40
  6. Step 6: Final answer
    x = 70,540.20

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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.