Home / 66,860.19-92,280.78-38,562.03

Finding the Fourth Proportional to 66,860.19, 92,280.78 and 38,562.03

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Solution

The fourth proportional to 66,860.19, 92,280.78 and 38,562.03 is: 53,223.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,860.19 : 92,280.78 = 38,562.03 : x
  2. Step 2: Convert to fraction form
    66,860.19/92,280.78 = 38,562.03/x
  3. Step 3: Cross multiply
    66,860.19x = 92,280.78 × 38,562.03
  4. Step 4: Simplify right side
    66,860.19x = 3,558,534,206.78
  5. Step 5: Solve for x
    x = 3,558,534,206.78/66,860.19
  6. Step 6: Final answer
    x = 53,223.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.