Home / 65,131.20-97,437.60-56,462.40

Finding the Fourth Proportional to 65,131.20, 97,437.60 and 56,462.40

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Solution

The fourth proportional to 65,131.20, 97,437.60 and 56,462.40 is: 84,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,131.20 : 97,437.60 = 56,462.40 : x
  2. Step 2: Convert to fraction form
    65,131.20/97,437.60 = 56,462.40/x
  3. Step 3: Cross multiply
    65,131.20x = 97,437.60 × 56,462.40
  4. Step 4: Simplify right side
    65,131.20x = 5,501,560,746.24
  5. Step 5: Solve for x
    x = 5,501,560,746.24/65,131.20
  6. Step 6: Final answer
    x = 84,468.90

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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.