Home / 86,564.17-119,464.57-48,331.25

Finding the Fourth Proportional to 86,564.17, 119,464.57 and 48,331.25

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Solution

The fourth proportional to 86,564.17, 119,464.57 and 48,331.25 is: 66,700.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,564.17 : 119,464.57 = 48,331.25 : x
  2. Step 2: Convert to fraction form
    86,564.17/119,464.57 = 48,331.25/x
  3. Step 3: Cross multiply
    86,564.17x = 119,464.57 × 48,331.25
  4. Step 4: Simplify right side
    86,564.17x = 5,773,871,998.81
  5. Step 5: Solve for x
    x = 5,773,871,998.81/86,564.17
  6. Step 6: Final answer
    x = 66,700.48

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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.