Home / 83,347.17-115,017.94-47,537.78

Finding the Fourth Proportional to 83,347.17, 115,017.94 and 47,537.78

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Solution

The fourth proportional to 83,347.17, 115,017.94 and 47,537.78 is: 65,601.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,347.17 : 115,017.94 = 47,537.78 : x
  2. Step 2: Convert to fraction form
    83,347.17/115,017.94 = 47,537.78/x
  3. Step 3: Cross multiply
    83,347.17x = 115,017.94 × 47,537.78
  4. Step 4: Simplify right side
    83,347.17x = 5,467,697,527.77
  5. Step 5: Solve for x
    x = 5,467,697,527.77/83,347.17
  6. Step 6: Final answer
    x = 65,601.48

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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.