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Finding the Fourth Proportional to 64,461.20, 88,938.20 and 41,801.10

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Solution

The fourth proportional to 64,461.20, 88,938.20 and 41,801.10 is: 57,673.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,461.20 : 88,938.20 = 41,801.10 : x
  2. Step 2: Convert to fraction form
    64,461.20/88,938.20 = 41,801.10/x
  3. Step 3: Cross multiply
    64,461.20x = 88,938.20 × 41,801.10
  4. Step 4: Simplify right side
    64,461.20x = 3,717,714,592.02
  5. Step 5: Solve for x
    x = 3,717,714,592.02/64,461.20
  6. Step 6: Final answer
    x = 57,673.68

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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.