Home / 113,767.25-157,030.04-66,035.98

Finding the Fourth Proportional to 113,767.25, 157,030.04 and 66,035.98

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Solution

The fourth proportional to 113,767.25, 157,030.04 and 66,035.98 is: 91,147.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,767.25 : 157,030.04 = 66,035.98 : x
  2. Step 2: Convert to fraction form
    113,767.25/157,030.04 = 66,035.98/x
  3. Step 3: Cross multiply
    113,767.25x = 157,030.04 × 66,035.98
  4. Step 4: Simplify right side
    113,767.25x = 10,369,632,580.84
  5. Step 5: Solve for x
    x = 10,369,632,580.84/113,767.25
  6. Step 6: Final answer
    x = 91,147.78

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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.