Home / 64,971.09-89,660.77-38,114.06

Finding the Fourth Proportional to 64,971.09, 89,660.77 and 38,114.06

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Solution

The fourth proportional to 64,971.09, 89,660.77 and 38,114.06 is: 52,597.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,971.09 : 89,660.77 = 38,114.06 : x
  2. Step 2: Convert to fraction form
    64,971.09/89,660.77 = 38,114.06/x
  3. Step 3: Cross multiply
    64,971.09x = 89,660.77 × 38,114.06
  4. Step 4: Simplify right side
    64,971.09x = 3,417,335,423.84
  5. Step 5: Solve for x
    x = 3,417,335,423.84/64,971.09
  6. Step 6: Final answer
    x = 52,597.79

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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.