Home / 90,892.72-125,438.59-52,662.14

Finding the Fourth Proportional to 90,892.72, 125,438.59 and 52,662.14

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Solution

The fourth proportional to 90,892.72, 125,438.59 and 52,662.14 is: 72,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,892.72 : 125,438.59 = 52,662.14 : x
  2. Step 2: Convert to fraction form
    90,892.72/125,438.59 = 52,662.14/x
  3. Step 3: Cross multiply
    90,892.72x = 125,438.59 × 52,662.14
  4. Step 4: Simplify right side
    90,892.72x = 6,605,864,587.98
  5. Step 5: Solve for x
    x = 6,605,864,587.98/90,892.72
  6. Step 6: Final answer
    x = 72,677.60

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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.