Home / 113,133.81-169,737.57-53,961.78

Finding the Fourth Proportional to 113,133.81, 169,737.57 and 53,961.78

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Solution

The fourth proportional to 113,133.81, 169,737.57 and 53,961.78 is: 80,960.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,133.81 : 169,737.57 = 53,961.78 : x
  2. Step 2: Convert to fraction form
    113,133.81/169,737.57 = 53,961.78/x
  3. Step 3: Cross multiply
    113,133.81x = 169,737.57 × 53,961.78
  4. Step 4: Simplify right side
    113,133.81x = 9,159,341,410.07
  5. Step 5: Solve for x
    x = 9,159,341,410.07/113,133.81
  6. Step 6: Final answer
    x = 80,960.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.