Home / 118,044.92-162,897.22-64,328.78

Finding the Fourth Proportional to 118,044.92, 162,897.22 and 64,328.78

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Solution

The fourth proportional to 118,044.92, 162,897.22 and 64,328.78 is: 88,771.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,044.92 : 162,897.22 = 64,328.78 : x
  2. Step 2: Convert to fraction form
    118,044.92/162,897.22 = 64,328.78/x
  3. Step 3: Cross multiply
    118,044.92x = 162,897.22 × 64,328.78
  4. Step 4: Simplify right side
    118,044.92x = 10,478,979,427.99
  5. Step 5: Solve for x
    x = 10,478,979,427.99/118,044.92
  6. Step 6: Final answer
    x = 88,771.12

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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.