Home / 77,633.19-107,133.93-43,643.58

Finding the Fourth Proportional to 77,633.19, 107,133.93 and 43,643.58

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Solution

The fourth proportional to 77,633.19, 107,133.93 and 43,643.58 is: 60,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,633.19 : 107,133.93 = 43,643.58 : x
  2. Step 2: Convert to fraction form
    77,633.19/107,133.93 = 43,643.58/x
  3. Step 3: Cross multiply
    77,633.19x = 107,133.93 × 43,643.58
  4. Step 4: Simplify right side
    77,633.19x = 4,675,708,244.67
  5. Step 5: Solve for x
    x = 4,675,708,244.67/77,633.19
  6. Step 6: Final answer
    x = 60,228.21

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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.