Home / 72,070.12-108,105.57-47,267.24

Finding the Fourth Proportional to 72,070.12, 108,105.57 and 47,267.24

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Solution

The fourth proportional to 72,070.12, 108,105.57 and 47,267.24 is: 70,901.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,070.12 : 108,105.57 = 47,267.24 : x
  2. Step 2: Convert to fraction form
    72,070.12/108,105.57 = 47,267.24/x
  3. Step 3: Cross multiply
    72,070.12x = 108,105.57 × 47,267.24
  4. Step 4: Simplify right side
    72,070.12x = 5,109,851,534.09
  5. Step 5: Solve for x
    x = 5,109,851,534.09/72,070.12
  6. Step 6: Final answer
    x = 70,901.11

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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.