Home / 83,762.42-115,588.96-47,955.76

Finding the Fourth Proportional to 83,762.42, 115,588.96 and 47,955.76

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Solution

The fourth proportional to 83,762.42, 115,588.96 and 47,955.76 is: 66,177.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,762.42 : 115,588.96 = 47,955.76 : x
  2. Step 2: Convert to fraction form
    83,762.42/115,588.96 = 47,955.76/x
  3. Step 3: Cross multiply
    83,762.42x = 115,588.96 × 47,955.76
  4. Step 4: Simplify right side
    83,762.42x = 5,543,156,424.41
  5. Step 5: Solve for x
    x = 5,543,156,424.41/83,762.42
  6. Step 6: Final answer
    x = 66,177.13

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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.