Home / 77,273-106,643.22-48,968.36

Finding the Fourth Proportional to 77,273, 106,643.22 and 48,968.36

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Solution

The fourth proportional to 77,273, 106,643.22 and 48,968.36 is: 67,580.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,273 : 106,643.22 = 48,968.36 : x
  2. Step 2: Convert to fraction form
    77,273/106,643.22 = 48,968.36/x
  3. Step 3: Cross multiply
    77,273x = 106,643.22 × 48,968.36
  4. Step 4: Simplify right side
    77,273x = 5,222,143,588.52
  5. Step 5: Solve for x
    x = 5,222,143,588.52/77,273
  6. Step 6: Final answer
    x = 67,580.44

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1.5x scale

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.