Home / 54,909.12-75,774.56-29,758.40

Finding the Fourth Proportional to 54,909.12, 75,774.56 and 29,758.40

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Solution

The fourth proportional to 54,909.12, 75,774.56 and 29,758.40 is: 41,066.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,909.12 : 75,774.56 = 29,758.40 : x
  2. Step 2: Convert to fraction form
    54,909.12/75,774.56 = 29,758.40/x
  3. Step 3: Cross multiply
    54,909.12x = 75,774.56 × 29,758.40
  4. Step 4: Simplify right side
    54,909.12x = 2,254,929,666.30
  5. Step 5: Solve for x
    x = 2,254,929,666.30/54,909.12
  6. Step 6: Final answer
    x = 41,066.58

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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.