Home / 85,026.52-127,485.10-40,652.28

Finding the Fourth Proportional to 85,026.52, 127,485.10 and 40,652.28

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Solution

The fourth proportional to 85,026.52, 127,485.10 and 40,652.28 is: 60,952.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,026.52 : 127,485.10 = 40,652.28 : x
  2. Step 2: Convert to fraction form
    85,026.52/127,485.10 = 40,652.28/x
  3. Step 3: Cross multiply
    85,026.52x = 127,485.10 × 40,652.28
  4. Step 4: Simplify right side
    85,026.52x = 5,182,559,981.03
  5. Step 5: Solve for x
    x = 5,182,559,981.03/85,026.52
  6. Step 6: Final answer
    x = 60,952.28

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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.