Home / 81,384.35-112,304.95-45,083.33

Finding the Fourth Proportional to 81,384.35, 112,304.95 and 45,083.33

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Solution

The fourth proportional to 81,384.35, 112,304.95 and 45,083.33 is: 62,211.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,384.35 : 112,304.95 = 45,083.33 : x
  2. Step 2: Convert to fraction form
    81,384.35/112,304.95 = 45,083.33/x
  3. Step 3: Cross multiply
    81,384.35x = 112,304.95 × 45,083.33
  4. Step 4: Simplify right side
    81,384.35x = 5,063,080,868.39
  5. Step 5: Solve for x
    x = 5,063,080,868.39/81,384.35
  6. Step 6: Final answer
    x = 62,211.98

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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.