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Finding the Fourth Proportional to 64,000.60, 96,000.90 and 57,261.40

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Solution

The fourth proportional to 64,000.60, 96,000.90 and 57,261.40 is: 85,892.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,000.60 : 96,000.90 = 57,261.40 : x
  2. Step 2: Convert to fraction form
    64,000.60/96,000.90 = 57,261.40/x
  3. Step 3: Cross multiply
    64,000.60x = 96,000.90 × 57,261.40
  4. Step 4: Simplify right side
    64,000.60x = 5,497,145,935.26
  5. Step 5: Solve for x
    x = 5,497,145,935.26/64,000.60
  6. Step 6: Final answer
    x = 85,892.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.