Home / 74,790.77-103,152.90-47,935.85

Finding the Fourth Proportional to 74,790.77, 103,152.90 and 47,935.85

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Solution

The fourth proportional to 74,790.77, 103,152.90 and 47,935.85 is: 66,114.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,790.77 : 103,152.90 = 47,935.85 : x
  2. Step 2: Convert to fraction form
    74,790.77/103,152.90 = 47,935.85/x
  3. Step 3: Cross multiply
    74,790.77x = 103,152.90 × 47,935.85
  4. Step 4: Simplify right side
    74,790.77x = 4,944,721,941.47
  5. Step 5: Solve for x
    x = 4,944,721,941.47/74,790.77
  6. Step 6: Final answer
    x = 66,114.07

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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.