Home / 75,084.40-112,626.60-47,090.80

Finding the Fourth Proportional to 75,084.40, 112,626.60 and 47,090.80

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Solution

The fourth proportional to 75,084.40, 112,626.60 and 47,090.80 is: 70,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,084.40 : 112,626.60 = 47,090.80 : x
  2. Step 2: Convert to fraction form
    75,084.40/112,626.60 = 47,090.80/x
  3. Step 3: Cross multiply
    75,084.40x = 112,626.60 × 47,090.80
  4. Step 4: Simplify right side
    75,084.40x = 5,303,676,695.28
  5. Step 5: Solve for x
    x = 5,303,676,695.28/75,084.40
  6. Step 6: Final answer
    x = 70,636.20

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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.