Home / 59,138.20-88,707.30-31,047.40

Finding the Fourth Proportional to 59,138.20, 88,707.30 and 31,047.40

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Solution

The fourth proportional to 59,138.20, 88,707.30 and 31,047.40 is: 46,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,138.20 : 88,707.30 = 31,047.40 : x
  2. Step 2: Convert to fraction form
    59,138.20/88,707.30 = 31,047.40/x
  3. Step 3: Cross multiply
    59,138.20x = 88,707.30 × 31,047.40
  4. Step 4: Simplify right side
    59,138.20x = 2,754,131,026.02
  5. Step 5: Solve for x
    x = 2,754,131,026.02/59,138.20
  6. Step 6: Final answer
    x = 46,571.10

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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.