Home / 88,109.10-132,163.65-53,117.10

Finding the Fourth Proportional to 88,109.10, 132,163.65 and 53,117.10

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Solution

The fourth proportional to 88,109.10, 132,163.65 and 53,117.10 is: 79,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,109.10 : 132,163.65 = 53,117.10 : x
  2. Step 2: Convert to fraction form
    88,109.10/132,163.65 = 53,117.10/x
  3. Step 3: Cross multiply
    88,109.10x = 132,163.65 × 53,117.10
  4. Step 4: Simplify right side
    88,109.10x = 7,020,149,813.42
  5. Step 5: Solve for x
    x = 7,020,149,813.42/88,109.10
  6. Step 6: Final answer
    x = 79,675.65

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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.