Home / 80,866.40-111,603.84-45,062.24

Finding the Fourth Proportional to 80,866.40, 111,603.84 and 45,062.24

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Solution

The fourth proportional to 80,866.40, 111,603.84 and 45,062.24 is: 62,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,866.40 : 111,603.84 = 45,062.24 : x
  2. Step 2: Convert to fraction form
    80,866.40/111,603.84 = 45,062.24/x
  3. Step 3: Cross multiply
    80,866.40x = 111,603.84 × 45,062.24
  4. Step 4: Simplify right side
    80,866.40x = 5,029,119,023.00
  5. Step 5: Solve for x
    x = 5,029,119,023.00/80,866.40
  6. Step 6: Final answer
    x = 62,190.47

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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.