Home / 77,263.02-106,614.15-43,266.78

Finding the Fourth Proportional to 77,263.02, 106,614.15 and 43,266.78

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Solution

The fourth proportional to 77,263.02, 106,614.15 and 43,266.78 is: 59,703.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,263.02 : 106,614.15 = 43,266.78 : x
  2. Step 2: Convert to fraction form
    77,263.02/106,614.15 = 43,266.78/x
  3. Step 3: Cross multiply
    77,263.02x = 106,614.15 × 43,266.78
  4. Step 4: Simplify right side
    77,263.02x = 4,612,850,972.94
  5. Step 5: Solve for x
    x = 4,612,850,972.94/77,263.02
  6. Step 6: Final answer
    x = 59,703.22

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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.