Home / 97,822.56-134,988.63-54,212.18

Finding the Fourth Proportional to 97,822.56, 134,988.63 and 54,212.18

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Solution

The fourth proportional to 97,822.56, 134,988.63 and 54,212.18 is: 74,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,822.56 : 134,988.63 = 54,212.18 : x
  2. Step 2: Convert to fraction form
    97,822.56/134,988.63 = 54,212.18/x
  3. Step 3: Cross multiply
    97,822.56x = 134,988.63 × 54,212.18
  4. Step 4: Simplify right side
    97,822.56x = 7,318,027,907.51
  5. Step 5: Solve for x
    x = 7,318,027,907.51/97,822.56
  6. Step 6: Final answer
    x = 74,809.20

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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.