Home / 66,619.33-99,560.59-59,681.07

Finding the Fourth Proportional to 66,619.33, 99,560.59 and 59,681.07

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Solution

The fourth proportional to 66,619.33, 99,560.59 and 59,681.07 is: 89,191.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,619.33 : 99,560.59 = 59,681.07 : x
  2. Step 2: Convert to fraction form
    66,619.33/99,560.59 = 59,681.07/x
  3. Step 3: Cross multiply
    66,619.33x = 99,560.59 × 59,681.07
  4. Step 4: Simplify right side
    66,619.33x = 5,941,882,391.83
  5. Step 5: Solve for x
    x = 5,941,882,391.83/66,619.33
  6. Step 6: Final answer
    x = 89,191.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.