Home / 77,217.39-106,570.05-43,238.82

Finding the Fourth Proportional to 77,217.39, 106,570.05 and 43,238.82

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Solution

The fourth proportional to 77,217.39, 106,570.05 and 43,238.82 is: 59,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,217.39 : 106,570.05 = 43,238.82 : x
  2. Step 2: Convert to fraction form
    77,217.39/106,570.05 = 43,238.82/x
  3. Step 3: Cross multiply
    77,217.39x = 106,570.05 × 43,238.82
  4. Step 4: Simplify right side
    77,217.39x = 4,607,963,209.34
  5. Step 5: Solve for x
    x = 4,607,963,209.34/77,217.39
  6. Step 6: Final answer
    x = 59,675.20

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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.