Home / 99,535.01-149,214.35-71,384.27

Finding the Fourth Proportional to 99,535.01, 149,214.35 and 71,384.27

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Solution

The fourth proportional to 99,535.01, 149,214.35 and 71,384.27 is: 107,013.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,535.01 : 149,214.35 = 71,384.27 : x
  2. Step 2: Convert to fraction form
    99,535.01/149,214.35 = 71,384.27/x
  3. Step 3: Cross multiply
    99,535.01x = 149,214.35 × 71,384.27
  4. Step 4: Simplify right side
    99,535.01x = 10,651,556,880.66
  5. Step 5: Solve for x
    x = 10,651,556,880.66/99,535.01
  6. Step 6: Final answer
    x = 107,013.17

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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.