Home / 66,340.62-99,510.32-26,888.36

Finding the Fourth Proportional to 66,340.62, 99,510.32 and 26,888.36

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Solution

The fourth proportional to 66,340.62, 99,510.32 and 26,888.36 is: 40,332.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,340.62 : 99,510.32 = 26,888.36 : x
  2. Step 2: Convert to fraction form
    66,340.62/99,510.32 = 26,888.36/x
  3. Step 3: Cross multiply
    66,340.62x = 99,510.32 × 26,888.36
  4. Step 4: Simplify right side
    66,340.62x = 2,675,668,877.54
  5. Step 5: Solve for x
    x = 2,675,668,877.54/66,340.62
  6. Step 6: Final answer
    x = 40,332.29

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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.