Home / 90,044.45-124,259.63-49,757.34

Finding the Fourth Proportional to 90,044.45, 124,259.63 and 49,757.34

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Solution

The fourth proportional to 90,044.45, 124,259.63 and 49,757.34 is: 68,664.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,044.45 : 124,259.63 = 49,757.34 : x
  2. Step 2: Convert to fraction form
    90,044.45/124,259.63 = 49,757.34/x
  3. Step 3: Cross multiply
    90,044.45x = 124,259.63 × 49,757.34
  4. Step 4: Simplify right side
    90,044.45x = 6,182,828,658.18
  5. Step 5: Solve for x
    x = 6,182,828,658.18/90,044.45
  6. Step 6: Final answer
    x = 68,664.18

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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.