Home / 88,917.19-122,769.98-54,972.22

Finding the Fourth Proportional to 88,917.19, 122,769.98 and 54,972.22

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Solution

The fourth proportional to 88,917.19, 122,769.98 and 54,972.22 is: 75,901.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,917.19 : 122,769.98 = 54,972.22 : x
  2. Step 2: Convert to fraction form
    88,917.19/122,769.98 = 54,972.22/x
  3. Step 3: Cross multiply
    88,917.19x = 122,769.98 × 54,972.22
  4. Step 4: Simplify right side
    88,917.19x = 6,748,938,204.51
  5. Step 5: Solve for x
    x = 6,748,938,204.51/88,917.19
  6. Step 6: Final answer
    x = 75,901.39

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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.