Home / 85,060.80-127,601.63-28,910.16

Finding the Fourth Proportional to 85,060.80, 127,601.63 and 28,910.16

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Solution

The fourth proportional to 85,060.80, 127,601.63 and 28,910.16 is: 43,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,060.80 : 127,601.63 = 28,910.16 : x
  2. Step 2: Convert to fraction form
    85,060.80/127,601.63 = 28,910.16/x
  3. Step 3: Cross multiply
    85,060.80x = 127,601.63 × 28,910.16
  4. Step 4: Simplify right side
    85,060.80x = 3,688,983,395.01
  5. Step 5: Solve for x
    x = 3,688,983,395.01/85,060.80
  6. Step 6: Final answer
    x = 43,368.78

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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.