Home / 89,397.70-123,368.22-48,561.45

Finding the Fourth Proportional to 89,397.70, 123,368.22 and 48,561.45

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Solution

The fourth proportional to 89,397.70, 123,368.22 and 48,561.45 is: 67,014.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,397.70 : 123,368.22 = 48,561.45 : x
  2. Step 2: Convert to fraction form
    89,397.70/123,368.22 = 48,561.45/x
  3. Step 3: Cross multiply
    89,397.70x = 123,368.22 × 48,561.45
  4. Step 4: Simplify right side
    89,397.70x = 5,990,939,668.04
  5. Step 5: Solve for x
    x = 5,990,939,668.04/89,397.70
  6. Step 6: Final answer
    x = 67,014.47

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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.