Home / 74,572.22-102,910.10-40,580.97

Finding the Fourth Proportional to 74,572.22, 102,910.10 and 40,580.97

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Solution

The fourth proportional to 74,572.22, 102,910.10 and 40,580.97 is: 56,001.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,572.22 : 102,910.10 = 40,580.97 : x
  2. Step 2: Convert to fraction form
    74,572.22/102,910.10 = 40,580.97/x
  3. Step 3: Cross multiply
    74,572.22x = 102,910.10 × 40,580.97
  4. Step 4: Simplify right side
    74,572.22x = 4,176,191,477.89
  5. Step 5: Solve for x
    x = 4,176,191,477.89/74,572.22
  6. Step 6: Final answer
    x = 56,001.98

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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.