Home / 72,875.88-100,566.09-41,047.74

Finding the Fourth Proportional to 72,875.88, 100,566.09 and 41,047.74

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Solution

The fourth proportional to 72,875.88, 100,566.09 and 41,047.74 is: 56,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,875.88 : 100,566.09 = 41,047.74 : x
  2. Step 2: Convert to fraction form
    72,875.88/100,566.09 = 41,047.74/x
  3. Step 3: Cross multiply
    72,875.88x = 100,566.09 × 41,047.74
  4. Step 4: Simplify right side
    72,875.88x = 4,128,010,715.14
  5. Step 5: Solve for x
    x = 4,128,010,715.14/72,875.88
  6. Step 6: Final answer
    x = 56,644.40

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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.