Home / 118,044.90-162,897.24-64,328.79

Finding the Fourth Proportional to 118,044.90, 162,897.24 and 64,328.79

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Solution

The fourth proportional to 118,044.90, 162,897.24 and 64,328.79 is: 88,771.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,044.90 : 162,897.24 = 64,328.79 : x
  2. Step 2: Convert to fraction form
    118,044.90/162,897.24 = 64,328.79/x
  3. Step 3: Cross multiply
    118,044.90x = 162,897.24 × 64,328.79
  4. Step 4: Simplify right side
    118,044.90x = 10,478,982,343.54
  5. Step 5: Solve for x
    x = 10,478,982,343.54/118,044.90
  6. Step 6: Final answer
    x = 88,771.16

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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.