Home / 69,575.62-96,014.38-39,360.30

Finding the Fourth Proportional to 69,575.62, 96,014.38 and 39,360.30

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Solution

The fourth proportional to 69,575.62, 96,014.38 and 39,360.30 is: 54,317.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,575.62 : 96,014.38 = 39,360.30 : x
  2. Step 2: Convert to fraction form
    69,575.62/96,014.38 = 39,360.30/x
  3. Step 3: Cross multiply
    69,575.62x = 96,014.38 × 39,360.30
  4. Step 4: Simplify right side
    69,575.62x = 3,779,154,801.11
  5. Step 5: Solve for x
    x = 3,779,154,801.11/69,575.62
  6. Step 6: Final answer
    x = 54,317.23

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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.