Home / 72,472.44-100,010.64-40,641.24

Finding the Fourth Proportional to 72,472.44, 100,010.64 and 40,641.24

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Solution

The fourth proportional to 72,472.44, 100,010.64 and 40,641.24 is: 56,084.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,472.44 : 100,010.64 = 40,641.24 : x
  2. Step 2: Convert to fraction form
    72,472.44/100,010.64 = 40,641.24/x
  3. Step 3: Cross multiply
    72,472.44x = 100,010.64 × 40,641.24
  4. Step 4: Simplify right side
    72,472.44x = 4,064,556,422.79
  5. Step 5: Solve for x
    x = 4,064,556,422.79/72,472.44
  6. Step 6: Final answer
    x = 56,084.17

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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.