Home / 74,187.02-111,214.92-55,444.43

Finding the Fourth Proportional to 74,187.02, 111,214.92 and 55,444.43

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Solution

The fourth proportional to 74,187.02, 111,214.92 and 55,444.43 is: 83,117.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,187.02 : 111,214.92 = 55,444.43 : x
  2. Step 2: Convert to fraction form
    74,187.02/111,214.92 = 55,444.43/x
  3. Step 3: Cross multiply
    74,187.02x = 111,214.92 × 55,444.43
  4. Step 4: Simplify right side
    74,187.02x = 6,166,248,332.85
  5. Step 5: Solve for x
    x = 6,166,248,332.85/74,187.02
  6. Step 6: Final answer
    x = 83,117.61

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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.