Home / 90,354.78-124,684.31-50,066.12

Finding the Fourth Proportional to 90,354.78, 124,684.31 and 50,066.12

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Solution

The fourth proportional to 90,354.78, 124,684.31 and 50,066.12 is: 69,088.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,354.78 : 124,684.31 = 50,066.12 : x
  2. Step 2: Convert to fraction form
    90,354.78/124,684.31 = 50,066.12/x
  3. Step 3: Cross multiply
    90,354.78x = 124,684.31 × 50,066.12
  4. Step 4: Simplify right side
    90,354.78x = 6,242,459,626.58
  5. Step 5: Solve for x
    x = 6,242,459,626.58/90,354.78
  6. Step 6: Final answer
    x = 69,088.32

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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.