Home / 65,108.20-97,403.10-56,439.40

Finding the Fourth Proportional to 65,108.20, 97,403.10 and 56,439.40

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Solution

The fourth proportional to 65,108.20, 97,403.10 and 56,439.40 is: 84,434.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,108.20 : 97,403.10 = 56,439.40 : x
  2. Step 2: Convert to fraction form
    65,108.20/97,403.10 = 56,439.40/x
  3. Step 3: Cross multiply
    65,108.20x = 97,403.10 × 56,439.40
  4. Step 4: Simplify right side
    65,108.20x = 5,497,372,522.14
  5. Step 5: Solve for x
    x = 5,497,372,522.14/65,108.20
  6. Step 6: Final answer
    x = 84,434.41

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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.