Home / 90,356.64-124,680.36-50,068.45

Finding the Fourth Proportional to 90,356.64, 124,680.36 and 50,068.45

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Solution

The fourth proportional to 90,356.64, 124,680.36 and 50,068.45 is: 69,087.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,356.64 : 124,680.36 = 50,068.45 : x
  2. Step 2: Convert to fraction form
    90,356.64/124,680.36 = 50,068.45/x
  3. Step 3: Cross multiply
    90,356.64x = 124,680.36 × 50,068.45
  4. Step 4: Simplify right side
    90,356.64x = 6,242,552,370.64
  5. Step 5: Solve for x
    x = 6,242,552,370.64/90,356.64
  6. Step 6: Final answer
    x = 69,087.92

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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.