Home / 88,428.39-122,112.24-56,173.41

Finding the Fourth Proportional to 88,428.39, 122,112.24 and 56,173.41

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Solution

The fourth proportional to 88,428.39, 122,112.24 and 56,173.41 is: 77,570.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,428.39 : 122,112.24 = 56,173.41 : x
  2. Step 2: Convert to fraction form
    88,428.39/122,112.24 = 56,173.41/x
  3. Step 3: Cross multiply
    88,428.39x = 122,112.24 × 56,173.41
  4. Step 4: Simplify right side
    88,428.39x = 6,859,460,032.11
  5. Step 5: Solve for x
    x = 6,859,460,032.11/88,428.39
  6. Step 6: Final answer
    x = 77,570.79

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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.