Home / 72,002.05-99,400.19-52,599.18

Finding the Fourth Proportional to 72,002.05, 99,400.19 and 52,599.18

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Solution

The fourth proportional to 72,002.05, 99,400.19 and 52,599.18 is: 72,614.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,002.05 : 99,400.19 = 52,599.18 : x
  2. Step 2: Convert to fraction form
    72,002.05/99,400.19 = 52,599.18/x
  3. Step 3: Cross multiply
    72,002.05x = 99,400.19 × 52,599.18
  4. Step 4: Simplify right side
    72,002.05x = 5,228,368,485.84
  5. Step 5: Solve for x
    x = 5,228,368,485.84/72,002.05
  6. Step 6: Final answer
    x = 72,614.16

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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.