Home / 71,048.31-98,003.63-42,348.85

Finding the Fourth Proportional to 71,048.31, 98,003.63 and 42,348.85

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Solution

The fourth proportional to 71,048.31, 98,003.63 and 42,348.85 is: 58,415.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,048.31 : 98,003.63 = 42,348.85 : x
  2. Step 2: Convert to fraction form
    71,048.31/98,003.63 = 42,348.85/x
  3. Step 3: Cross multiply
    71,048.31x = 98,003.63 × 42,348.85
  4. Step 4: Simplify right side
    71,048.31x = 4,150,340,887.19
  5. Step 5: Solve for x
    x = 4,150,340,887.19/71,048.31
  6. Step 6: Final answer
    x = 58,415.76

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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.