Home / 85,818.75-128,767.02-41,437.23

Finding the Fourth Proportional to 85,818.75, 128,767.02 and 41,437.23

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Solution

The fourth proportional to 85,818.75, 128,767.02 and 41,437.23 is: 62,174.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,818.75 : 128,767.02 = 41,437.23 : x
  2. Step 2: Convert to fraction form
    85,818.75/128,767.02 = 41,437.23/x
  3. Step 3: Cross multiply
    85,818.75x = 128,767.02 × 41,437.23
  4. Step 4: Simplify right side
    85,818.75x = 5,335,748,624.15
  5. Step 5: Solve for x
    x = 5,335,748,624.15/85,818.75
  6. Step 6: Final answer
    x = 62,174.63

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1.5x scale

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.