Home / 89,478.13-123,476.67-49,191.60

Finding the Fourth Proportional to 89,478.13, 123,476.67 and 49,191.60

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Solution

The fourth proportional to 89,478.13, 123,476.67 and 49,191.60 is: 67,882.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,478.13 : 123,476.67 = 49,191.60 : x
  2. Step 2: Convert to fraction form
    89,478.13/123,476.67 = 49,191.60/x
  3. Step 3: Cross multiply
    89,478.13x = 123,476.67 × 49,191.60
  4. Step 4: Simplify right side
    89,478.13x = 6,074,014,096.63
  5. Step 5: Solve for x
    x = 6,074,014,096.63/89,478.13
  6. Step 6: Final answer
    x = 67,882.67

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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.