Home / 89,555.46-123,587.57-51,314.25

Finding the Fourth Proportional to 89,555.46, 123,587.57 and 51,314.25

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Solution

The fourth proportional to 89,555.46, 123,587.57 and 51,314.25 is: 70,814.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,555.46 : 123,587.57 = 51,314.25 : x
  2. Step 2: Convert to fraction form
    89,555.46/123,587.57 = 51,314.25/x
  3. Step 3: Cross multiply
    89,555.46x = 123,587.57 × 51,314.25
  4. Step 4: Simplify right side
    89,555.46x = 6,341,803,207.30
  5. Step 5: Solve for x
    x = 6,341,803,207.30/89,555.46
  6. Step 6: Final answer
    x = 70,814.26

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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.