Home / 61,091.42-91,640.16-19,000.17

Finding the Fourth Proportional to 61,091.42, 91,640.16 and 19,000.17

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Solution

The fourth proportional to 61,091.42, 91,640.16 and 19,000.17 is: 28,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,091.42 : 91,640.16 = 19,000.17 : x
  2. Step 2: Convert to fraction form
    61,091.42/91,640.16 = 19,000.17/x
  3. Step 3: Cross multiply
    61,091.42x = 91,640.16 × 19,000.17
  4. Step 4: Simplify right side
    61,091.42x = 1,741,178,618.83
  5. Step 5: Solve for x
    x = 1,741,178,618.83/61,091.42
  6. Step 6: Final answer
    x = 28,501.20

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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.