Home / 97,856.16-135,041.76-57,571.44

Finding the Fourth Proportional to 97,856.16, 135,041.76 and 57,571.44

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Solution

The fourth proportional to 97,856.16, 135,041.76 and 57,571.44 is: 79,448.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,856.16 : 135,041.76 = 57,571.44 : x
  2. Step 2: Convert to fraction form
    97,856.16/135,041.76 = 57,571.44/x
  3. Step 3: Cross multiply
    97,856.16x = 135,041.76 × 57,571.44
  4. Step 4: Simplify right side
    97,856.16x = 7,774,548,583.33
  5. Step 5: Solve for x
    x = 7,774,548,583.33/97,856.16
  6. Step 6: Final answer
    x = 79,448.74

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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.