Home / 90,007.02-124,210.73-49,719.95

Finding the Fourth Proportional to 90,007.02, 124,210.73 and 49,719.95

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Solution

The fourth proportional to 90,007.02, 124,210.73 and 49,719.95 is: 68,614.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,007.02 : 124,210.73 = 49,719.95 : x
  2. Step 2: Convert to fraction form
    90,007.02/124,210.73 = 49,719.95/x
  3. Step 3: Cross multiply
    90,007.02x = 124,210.73 × 49,719.95
  4. Step 4: Simplify right side
    90,007.02x = 6,175,751,285.06
  5. Step 5: Solve for x
    x = 6,175,751,285.06/90,007.02
  6. Step 6: Final answer
    x = 68,614.11

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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.