Home / 117,762.09-162,512.45-64,047.49

Finding the Fourth Proportional to 117,762.09, 162,512.45 and 64,047.49

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Solution

The fourth proportional to 117,762.09, 162,512.45 and 64,047.49 is: 88,385.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,762.09 : 162,512.45 = 64,047.49 : x
  2. Step 2: Convert to fraction form
    117,762.09/162,512.45 = 64,047.49/x
  3. Step 3: Cross multiply
    117,762.09x = 162,512.45 × 64,047.49
  4. Step 4: Simplify right side
    117,762.09x = 10,408,514,196.01
  5. Step 5: Solve for x
    x = 10,408,514,196.01/117,762.09
  6. Step 6: Final answer
    x = 88,385.95

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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.