Home / 61,785.47-92,678.70-40,456.16

Finding the Fourth Proportional to 61,785.47, 92,678.70 and 40,456.16

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Solution

The fourth proportional to 61,785.47, 92,678.70 and 40,456.16 is: 60,684.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,785.47 : 92,678.70 = 40,456.16 : x
  2. Step 2: Convert to fraction form
    61,785.47/92,678.70 = 40,456.16/x
  3. Step 3: Cross multiply
    61,785.47x = 92,678.70 × 40,456.16
  4. Step 4: Simplify right side
    61,785.47x = 3,749,424,645.41
  5. Step 5: Solve for x
    x = 3,749,424,645.41/61,785.47
  6. Step 6: Final answer
    x = 60,684.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.