Home / 89,992.81-124,191.39-52,267.06

Finding the Fourth Proportional to 89,992.81, 124,191.39 and 52,267.06

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Solution

The fourth proportional to 89,992.81, 124,191.39 and 52,267.06 is: 72,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,992.81 : 124,191.39 = 52,267.06 : x
  2. Step 2: Convert to fraction form
    89,992.81/124,191.39 = 52,267.06/x
  3. Step 3: Cross multiply
    89,992.81x = 124,191.39 × 52,267.06
  4. Step 4: Simplify right side
    89,992.81x = 6,491,118,832.61
  5. Step 5: Solve for x
    x = 6,491,118,832.61/89,992.81
  6. Step 6: Final answer
    x = 72,129.30

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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.