Home / 66,370.13-91,590.78-36,562.13

Finding the Fourth Proportional to 66,370.13, 91,590.78 and 36,562.13

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Solution

The fourth proportional to 66,370.13, 91,590.78 and 36,562.13 is: 50,455.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,370.13 : 91,590.78 = 36,562.13 : x
  2. Step 2: Convert to fraction form
    66,370.13/91,590.78 = 36,562.13/x
  3. Step 3: Cross multiply
    66,370.13x = 91,590.78 × 36,562.13
  4. Step 4: Simplify right side
    66,370.13x = 3,348,753,547.21
  5. Step 5: Solve for x
    x = 3,348,753,547.21/66,370.13
  6. Step 6: Final answer
    x = 50,455.74

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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.