Home / 72,490.38-100,036.90-42,296.46

Finding the Fourth Proportional to 72,490.38, 100,036.90 and 42,296.46

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Solution

The fourth proportional to 72,490.38, 100,036.90 and 42,296.46 is: 58,369.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,490.38 : 100,036.90 = 42,296.46 : x
  2. Step 2: Convert to fraction form
    72,490.38/100,036.90 = 42,296.46/x
  3. Step 3: Cross multiply
    72,490.38x = 100,036.90 × 42,296.46
  4. Step 4: Simplify right side
    72,490.38x = 4,231,206,739.37
  5. Step 5: Solve for x
    x = 4,231,206,739.37/72,490.38
  6. Step 6: Final answer
    x = 58,369.22

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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.