Home / 88,124.72-121,608.84-47,837.64

Finding the Fourth Proportional to 88,124.72, 121,608.84 and 47,837.64

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Solution

The fourth proportional to 88,124.72, 121,608.84 and 47,837.64 is: 66,014.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,124.72 : 121,608.84 = 47,837.64 : x
  2. Step 2: Convert to fraction form
    88,124.72/121,608.84 = 47,837.64/x
  3. Step 3: Cross multiply
    88,124.72x = 121,608.84 × 47,837.64
  4. Step 4: Simplify right side
    88,124.72x = 5,817,479,908.74
  5. Step 5: Solve for x
    x = 5,817,479,908.74/88,124.72
  6. Step 6: Final answer
    x = 66,014.17

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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.