Home / 77,197.72-106,559.13-45,376.06

Finding the Fourth Proportional to 77,197.72, 106,559.13 and 45,376.06

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Solution

The fourth proportional to 77,197.72, 106,559.13 and 45,376.06 is: 62,634.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,197.72 : 106,559.13 = 45,376.06 : x
  2. Step 2: Convert to fraction form
    77,197.72/106,559.13 = 45,376.06/x
  3. Step 3: Cross multiply
    77,197.72x = 106,559.13 × 45,376.06
  4. Step 4: Simplify right side
    77,197.72x = 4,835,233,476.43
  5. Step 5: Solve for x
    x = 4,835,233,476.43/77,197.72
  6. Step 6: Final answer
    x = 62,634.41

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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.