Home / 97,664.86-134,799.50-57,391.56

Finding the Fourth Proportional to 97,664.86, 134,799.50 and 57,391.56

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Solution

The fourth proportional to 97,664.86, 134,799.50 and 57,391.56 is: 79,213.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,664.86 : 134,799.50 = 57,391.56 : x
  2. Step 2: Convert to fraction form
    97,664.86/134,799.50 = 57,391.56/x
  3. Step 3: Cross multiply
    97,664.86x = 134,799.50 × 57,391.56
  4. Step 4: Simplify right side
    97,664.86x = 7,736,353,592.22
  5. Step 5: Solve for x
    x = 7,736,353,592.22/97,664.86
  6. Step 6: Final answer
    x = 79,213.28

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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.