Home / 66,265.69-99,430.43-32,988.66

Finding the Fourth Proportional to 66,265.69, 99,430.43 and 32,988.66

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Solution

The fourth proportional to 66,265.69, 99,430.43 and 32,988.66 is: 49,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,265.69 : 99,430.43 = 32,988.66 : x
  2. Step 2: Convert to fraction form
    66,265.69/99,430.43 = 32,988.66/x
  3. Step 3: Cross multiply
    66,265.69x = 99,430.43 × 32,988.66
  4. Step 4: Simplify right side
    66,265.69x = 3,280,076,648.92
  5. Step 5: Solve for x
    x = 3,280,076,648.92/66,265.69
  6. Step 6: Final answer
    x = 49,498.87

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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.