Home / 95,538.30-143,307.45-28,975.20

Finding the Fourth Proportional to 95,538.30, 143,307.45 and 28,975.20

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Solution

The fourth proportional to 95,538.30, 143,307.45 and 28,975.20 is: 43,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,538.30 : 143,307.45 = 28,975.20 : x
  2. Step 2: Convert to fraction form
    95,538.30/143,307.45 = 28,975.20/x
  3. Step 3: Cross multiply
    95,538.30x = 143,307.45 × 28,975.20
  4. Step 4: Simplify right side
    95,538.30x = 4,152,362,025.24
  5. Step 5: Solve for x
    x = 4,152,362,025.24/95,538.30
  6. Step 6: Final answer
    x = 43,462.80

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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.