Home / 88,157.49-121,654.67-47,870.52

Finding the Fourth Proportional to 88,157.49, 121,654.67 and 47,870.52

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Solution

The fourth proportional to 88,157.49, 121,654.67 and 47,870.52 is: 66,059.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,157.49 : 121,654.67 = 47,870.52 : x
  2. Step 2: Convert to fraction form
    88,157.49/121,654.67 = 47,870.52/x
  3. Step 3: Cross multiply
    88,157.49x = 121,654.67 × 47,870.52
  4. Step 4: Simplify right side
    88,157.49x = 5,823,672,313.33
  5. Step 5: Solve for x
    x = 5,823,672,313.33/88,157.49
  6. Step 6: Final answer
    x = 66,059.87

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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.