Home / 66,632.04-91,956.24-38,337.12

Finding the Fourth Proportional to 66,632.04, 91,956.24 and 38,337.12

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Solution

The fourth proportional to 66,632.04, 91,956.24 and 38,337.12 is: 52,907.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,632.04 : 91,956.24 = 38,337.12 : x
  2. Step 2: Convert to fraction form
    66,632.04/91,956.24 = 38,337.12/x
  3. Step 3: Cross multiply
    66,632.04x = 91,956.24 × 38,337.12
  4. Step 4: Simplify right side
    66,632.04x = 3,525,337,407.63
  5. Step 5: Solve for x
    x = 3,525,337,407.63/66,632.04
  6. Step 6: Final answer
    x = 52,907.54

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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.