Home / 65,135.20-97,443.60-56,466.40

Finding the Fourth Proportional to 65,135.20, 97,443.60 and 56,466.40

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Solution

The fourth proportional to 65,135.20, 97,443.60 and 56,466.40 is: 84,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,135.20 : 97,443.60 = 56,466.40 : x
  2. Step 2: Convert to fraction form
    65,135.20/97,443.60 = 56,466.40/x
  3. Step 3: Cross multiply
    65,135.20x = 97,443.60 × 56,466.40
  4. Step 4: Simplify right side
    65,135.20x = 5,502,289,295.04
  5. Step 5: Solve for x
    x = 5,502,289,295.04/65,135.20
  6. Step 6: Final answer
    x = 84,474.90

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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.