Home / 89,186.09-123,077.53-48,900.18

Finding the Fourth Proportional to 89,186.09, 123,077.53 and 48,900.18

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Solution

The fourth proportional to 89,186.09, 123,077.53 and 48,900.18 is: 67,482.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,186.09 : 123,077.53 = 48,900.18 : x
  2. Step 2: Convert to fraction form
    89,186.09/123,077.53 = 48,900.18/x
  3. Step 3: Cross multiply
    89,186.09x = 123,077.53 × 48,900.18
  4. Step 4: Simplify right side
    89,186.09x = 6,018,513,272.40
  5. Step 5: Solve for x
    x = 6,018,513,272.40/89,186.09
  6. Step 6: Final answer
    x = 67,482.65

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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.