Home / 65,122.20-97,424.10-56,453.40

Finding the Fourth Proportional to 65,122.20, 97,424.10 and 56,453.40

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Solution

The fourth proportional to 65,122.20, 97,424.10 and 56,453.40 is: 84,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,122.20 : 97,424.10 = 56,453.40 : x
  2. Step 2: Convert to fraction form
    65,122.20/97,424.10 = 56,453.40/x
  3. Step 3: Cross multiply
    65,122.20x = 97,424.10 × 56,453.40
  4. Step 4: Simplify right side
    65,122.20x = 5,499,921,686.94
  5. Step 5: Solve for x
    x = 5,499,921,686.94/65,122.20
  6. Step 6: Final answer
    x = 84,455.40

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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.