Home / 117,084.16-161,574.87-63,368.02

Finding the Fourth Proportional to 117,084.16, 161,574.87 and 63,368.02

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Solution

The fourth proportional to 117,084.16, 161,574.87 and 63,368.02 is: 87,447.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,084.16 : 161,574.87 = 63,368.02 : x
  2. Step 2: Convert to fraction form
    117,084.16/161,574.87 = 63,368.02/x
  3. Step 3: Cross multiply
    117,084.16x = 161,574.87 × 63,368.02
  4. Step 4: Simplify right side
    117,084.16x = 10,238,679,593.66
  5. Step 5: Solve for x
    x = 10,238,679,593.66/117,084.16
  6. Step 6: Final answer
    x = 87,447.18

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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.