Home / 89,624.47-134,519.79-45,282.46

Finding the Fourth Proportional to 89,624.47, 134,519.79 and 45,282.46

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Solution

The fourth proportional to 89,624.47, 134,519.79 and 45,282.46 is: 67,965.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,624.47 : 134,519.79 = 45,282.46 : x
  2. Step 2: Convert to fraction form
    89,624.47/134,519.79 = 45,282.46/x
  3. Step 3: Cross multiply
    89,624.47x = 134,519.79 × 45,282.46
  4. Step 4: Simplify right side
    89,624.47x = 6,091,387,009.88
  5. Step 5: Solve for x
    x = 6,091,387,009.88/89,624.47
  6. Step 6: Final answer
    x = 67,965.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.