Home / 77,794.12-107,130.02-67,580.52

Finding the Fourth Proportional to 77,794.12, 107,130.02 and 67,580.52

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Solution

The fourth proportional to 77,794.12, 107,130.02 and 67,580.52 is: 93,064.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,794.12 : 107,130.02 = 67,580.52 : x
  2. Step 2: Convert to fraction form
    77,794.12/107,130.02 = 67,580.52/x
  3. Step 3: Cross multiply
    77,794.12x = 107,130.02 × 67,580.52
  4. Step 4: Simplify right side
    77,794.12x = 7,239,902,459.21
  5. Step 5: Solve for x
    x = 7,239,902,459.21/77,794.12
  6. Step 6: Final answer
    x = 93,064.91

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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.