Home / 83,549.50-115,303.78-45,823.75

Finding the Fourth Proportional to 83,549.50, 115,303.78 and 45,823.75

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Solution

The fourth proportional to 83,549.50, 115,303.78 and 45,823.75 is: 63,239.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,549.50 : 115,303.78 = 45,823.75 : x
  2. Step 2: Convert to fraction form
    83,549.50/115,303.78 = 45,823.75/x
  3. Step 3: Cross multiply
    83,549.50x = 115,303.78 × 45,823.75
  4. Step 4: Simplify right side
    83,549.50x = 5,283,651,588.78
  5. Step 5: Solve for x
    x = 5,283,651,588.78/83,549.50
  6. Step 6: Final answer
    x = 63,239.78

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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.