Home / 66,526.12-99,833.25-36,561.28

Finding the Fourth Proportional to 66,526.12, 99,833.25 and 36,561.28

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Solution

The fourth proportional to 66,526.12, 99,833.25 and 36,561.28 is: 54,866.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,526.12 : 99,833.25 = 36,561.28 : x
  2. Step 2: Convert to fraction form
    66,526.12/99,833.25 = 36,561.28/x
  3. Step 3: Cross multiply
    66,526.12x = 99,833.25 × 36,561.28
  4. Step 4: Simplify right side
    66,526.12x = 3,650,031,315.16
  5. Step 5: Solve for x
    x = 3,650,031,315.16/66,526.12
  6. Step 6: Final answer
    x = 54,866.14

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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.