Home / 66,289.41-99,384.45-39,988.02

Finding the Fourth Proportional to 66,289.41, 99,384.45 and 39,988.02

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Solution

The fourth proportional to 66,289.41, 99,384.45 and 39,988.02 is: 59,952.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,289.41 : 99,384.45 = 39,988.02 : x
  2. Step 2: Convert to fraction form
    66,289.41/99,384.45 = 39,988.02/x
  3. Step 3: Cross multiply
    66,289.41x = 99,384.45 × 39,988.02
  4. Step 4: Simplify right side
    66,289.41x = 3,974,187,374.29
  5. Step 5: Solve for x
    x = 3,974,187,374.29/66,289.41
  6. Step 6: Final answer
    x = 59,952.07

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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.