Home / 83,771.52-115,558.56-53,088.48

Finding the Fourth Proportional to 83,771.52, 115,558.56 and 53,088.48

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Solution

The fourth proportional to 83,771.52, 115,558.56 and 53,088.48 is: 73,232.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,771.52 : 115,558.56 = 53,088.48 : x
  2. Step 2: Convert to fraction form
    83,771.52/115,558.56 = 53,088.48/x
  3. Step 3: Cross multiply
    83,771.52x = 115,558.56 × 53,088.48
  4. Step 4: Simplify right side
    83,771.52x = 6,134,828,301.39
  5. Step 5: Solve for x
    x = 6,134,828,301.39/83,771.52
  6. Step 6: Final answer
    x = 73,232.86

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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.