Home / 67,765.77-93,509.10-37,543.50

Finding the Fourth Proportional to 67,765.77, 93,509.10 and 37,543.50

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Solution

The fourth proportional to 67,765.77, 93,509.10 and 37,543.50 is: 51,805.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,765.77 : 93,509.10 = 37,543.50 : x
  2. Step 2: Convert to fraction form
    67,765.77/93,509.10 = 37,543.50/x
  3. Step 3: Cross multiply
    67,765.77x = 93,509.10 × 37,543.50
  4. Step 4: Simplify right side
    67,765.77x = 3,510,658,895.85
  5. Step 5: Solve for x
    x = 3,510,658,895.85/67,765.77
  6. Step 6: Final answer
    x = 51,805.78

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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.