Home / 110,875.14-166,431.15-47,726.55

Finding the Fourth Proportional to 110,875.14, 166,431.15 and 47,726.55

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Solution

The fourth proportional to 110,875.14, 166,431.15 and 47,726.55 is: 71,640.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,875.14 : 166,431.15 = 47,726.55 : x
  2. Step 2: Convert to fraction form
    110,875.14/166,431.15 = 47,726.55/x
  3. Step 3: Cross multiply
    110,875.14x = 166,431.15 × 47,726.55
  4. Step 4: Simplify right side
    110,875.14x = 7,943,184,602.03
  5. Step 5: Solve for x
    x = 7,943,184,602.03/110,875.14
  6. Step 6: Final answer
    x = 71,640.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.