Home / 66,306.81-91,487.51-39,084.00

Finding the Fourth Proportional to 66,306.81, 91,487.51 and 39,084.00

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Solution

The fourth proportional to 66,306.81, 91,487.51 and 39,084.00 is: 53,926.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,306.81 : 91,487.51 = 39,084.00 : x
  2. Step 2: Convert to fraction form
    66,306.81/91,487.51 = 39,084.00/x
  3. Step 3: Cross multiply
    66,306.81x = 91,487.51 × 39,084.00
  4. Step 4: Simplify right side
    66,306.81x = 3,575,697,448.91
  5. Step 5: Solve for x
    x = 3,575,697,448.91/66,306.81
  6. Step 6: Final answer
    x = 53,926.55

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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.