Home / 72,062.04-99,450.52-40,230.24

Finding the Fourth Proportional to 72,062.04, 99,450.52 and 40,230.24

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Solution

The fourth proportional to 72,062.04, 99,450.52 and 40,230.24 is: 55,520.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,062.04 : 99,450.52 = 40,230.24 : x
  2. Step 2: Convert to fraction form
    72,062.04/99,450.52 = 40,230.24/x
  3. Step 3: Cross multiply
    72,062.04x = 99,450.52 × 40,230.24
  4. Step 4: Simplify right side
    72,062.04x = 4,000,918,287.72
  5. Step 5: Solve for x
    x = 4,000,918,287.72/72,062.04
  6. Step 6: Final answer
    x = 55,520.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.