Home / 85,265.47-127,788.75-40,825.63

Finding the Fourth Proportional to 85,265.47, 127,788.75 and 40,825.63

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Solution

The fourth proportional to 85,265.47, 127,788.75 and 40,825.63 is: 61,186.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,265.47 : 127,788.75 = 40,825.63 : x
  2. Step 2: Convert to fraction form
    85,265.47/127,788.75 = 40,825.63/x
  3. Step 3: Cross multiply
    85,265.47x = 127,788.75 × 40,825.63
  4. Step 4: Simplify right side
    85,265.47x = 5,217,056,225.66
  5. Step 5: Solve for x
    x = 5,217,056,225.66/85,265.47
  6. Step 6: Final answer
    x = 61,186.04

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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.