Home / 84,718.09-126,994.52-40,332.93

Finding the Fourth Proportional to 84,718.09, 126,994.52 and 40,332.93

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Solution

The fourth proportional to 84,718.09, 126,994.52 and 40,332.93 is: 60,460.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,718.09 : 126,994.52 = 40,332.93 : x
  2. Step 2: Convert to fraction form
    84,718.09/126,994.52 = 40,332.93/x
  3. Step 3: Cross multiply
    84,718.09x = 126,994.52 × 40,332.93
  4. Step 4: Simplify right side
    84,718.09x = 5,122,061,085.54
  5. Step 5: Solve for x
    x = 5,122,061,085.54/84,718.09
  6. Step 6: Final answer
    x = 60,460.06

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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.