Home / 118,017.36-162,861.88-64,302.76

Finding the Fourth Proportional to 118,017.36, 162,861.88 and 64,302.76

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Solution

The fourth proportional to 118,017.36, 162,861.88 and 64,302.76 is: 88,736.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,017.36 : 162,861.88 = 64,302.76 : x
  2. Step 2: Convert to fraction form
    118,017.36/162,861.88 = 64,302.76/x
  3. Step 3: Cross multiply
    118,017.36x = 162,861.88 × 64,302.76
  4. Step 4: Simplify right side
    118,017.36x = 10,472,468,382.79
  5. Step 5: Solve for x
    x = 10,472,468,382.79/118,017.36
  6. Step 6: Final answer
    x = 88,736.68

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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.