Home / 90,219.48-124,501.16-49,933.26

Finding the Fourth Proportional to 90,219.48, 124,501.16 and 49,933.26

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Solution

The fourth proportional to 90,219.48, 124,501.16 and 49,933.26 is: 68,906.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,219.48 : 124,501.16 = 49,933.26 : x
  2. Step 2: Convert to fraction form
    90,219.48/124,501.16 = 49,933.26/x
  3. Step 3: Cross multiply
    90,219.48x = 124,501.16 × 49,933.26
  4. Step 4: Simplify right side
    90,219.48x = 6,216,748,792.58
  5. Step 5: Solve for x
    x = 6,216,748,792.58/90,219.48
  6. Step 6: Final answer
    x = 68,906.95

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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.