Home / 77,819.02-107,390.69-44,285.02

Finding the Fourth Proportional to 77,819.02, 107,390.69 and 44,285.02

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Solution

The fourth proportional to 77,819.02, 107,390.69 and 44,285.02 is: 61,113.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,819.02 : 107,390.69 = 44,285.02 : x
  2. Step 2: Convert to fraction form
    77,819.02/107,390.69 = 44,285.02/x
  3. Step 3: Cross multiply
    77,819.02x = 107,390.69 × 44,285.02
  4. Step 4: Simplify right side
    77,819.02x = 4,755,798,854.46
  5. Step 5: Solve for x
    x = 4,755,798,854.46/77,819.02
  6. Step 6: Final answer
    x = 61,113.58

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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.