Home / 88,156.01-121,654.91-47,869.45

Finding the Fourth Proportional to 88,156.01, 121,654.91 and 47,869.45

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Solution

The fourth proportional to 88,156.01, 121,654.91 and 47,869.45 is: 66,059.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,156.01 : 121,654.91 = 47,869.45 : x
  2. Step 2: Convert to fraction form
    88,156.01/121,654.91 = 47,869.45/x
  3. Step 3: Cross multiply
    88,156.01x = 121,654.91 × 47,869.45
  4. Step 4: Simplify right side
    88,156.01x = 5,823,553,447.04
  5. Step 5: Solve for x
    x = 5,823,553,447.04/88,156.01
  6. Step 6: Final answer
    x = 66,059.63

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1.5x scale

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.