Home / 74,009.86-102,110.27-45,299.57

Finding the Fourth Proportional to 74,009.86, 102,110.27 and 45,299.57

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Solution

The fourth proportional to 74,009.86, 102,110.27 and 45,299.57 is: 62,499.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,009.86 : 102,110.27 = 45,299.57 : x
  2. Step 2: Convert to fraction form
    74,009.86/102,110.27 = 45,299.57/x
  3. Step 3: Cross multiply
    74,009.86x = 102,110.27 × 45,299.57
  4. Step 4: Simplify right side
    74,009.86x = 4,625,550,984.94
  5. Step 5: Solve for x
    x = 4,625,550,984.94/74,009.86
  6. Step 6: Final answer
    x = 62,499.11

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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.