Home / 87,767.96-121,134.28-53,795.35

Finding the Fourth Proportional to 87,767.96, 121,134.28 and 53,795.35

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Solution

The fourth proportional to 87,767.96, 121,134.28 and 53,795.35 is: 74,246.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,767.96 : 121,134.28 = 53,795.35 : x
  2. Step 2: Convert to fraction form
    87,767.96/121,134.28 = 53,795.35/x
  3. Step 3: Cross multiply
    87,767.96x = 121,134.28 × 53,795.35
  4. Step 4: Simplify right side
    87,767.96x = 6,516,460,552.27
  5. Step 5: Solve for x
    x = 6,516,460,552.27/87,767.96
  6. Step 6: Final answer
    x = 74,246.46

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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.