Home / 66,301.47-99,455.49-18,923.56

Finding the Fourth Proportional to 66,301.47, 99,455.49 and 18,923.56

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Solution

The fourth proportional to 66,301.47, 99,455.49 and 18,923.56 is: 28,386.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,301.47 : 99,455.49 = 18,923.56 : x
  2. Step 2: Convert to fraction form
    66,301.47/99,455.49 = 18,923.56/x
  3. Step 3: Cross multiply
    66,301.47x = 99,455.49 × 18,923.56
  4. Step 4: Simplify right side
    66,301.47x = 1,882,051,683.71
  5. Step 5: Solve for x
    x = 1,882,051,683.71/66,301.47
  6. Step 6: Final answer
    x = 28,386.27

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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.