Home / 48,042.04-72,008.32-30,038.56

Finding the Fourth Proportional to 48,042.04, 72,008.32 and 30,038.56

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Solution

The fourth proportional to 48,042.04, 72,008.32 and 30,038.56 is: 45,023.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,042.04 : 72,008.32 = 30,038.56 : x
  2. Step 2: Convert to fraction form
    48,042.04/72,008.32 = 30,038.56/x
  3. Step 3: Cross multiply
    48,042.04x = 72,008.32 × 30,038.56
  4. Step 4: Simplify right side
    48,042.04x = 2,163,026,240.82
  5. Step 5: Solve for x
    x = 2,163,026,240.82/48,042.04
  6. Step 6: Final answer
    x = 45,023.61

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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.