Home / 77,267.02-106,619.67-43,270.78

Finding the Fourth Proportional to 77,267.02, 106,619.67 and 43,270.78

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Solution

The fourth proportional to 77,267.02, 106,619.67 and 43,270.78 is: 59,708.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,267.02 : 106,619.67 = 43,270.78 : x
  2. Step 2: Convert to fraction form
    77,267.02/106,619.67 = 43,270.78/x
  3. Step 3: Cross multiply
    77,267.02x = 106,619.67 × 43,270.78
  4. Step 4: Simplify right side
    77,267.02x = 4,613,516,284.24
  5. Step 5: Solve for x
    x = 4,613,516,284.24/77,267.02
  6. Step 6: Final answer
    x = 59,708.74

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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.