Home / 69,484.10-103,977-60,156.20

Finding the Fourth Proportional to 69,484.10, 103,977 and 60,156.20

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Solution

The fourth proportional to 69,484.10, 103,977 and 60,156.20 is: 90,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,484.10 : 103,977 = 60,156.20 : x
  2. Step 2: Convert to fraction form
    69,484.10/103,977 = 60,156.20/x
  3. Step 3: Cross multiply
    69,484.10x = 103,977 × 60,156.20
  4. Step 4: Simplify right side
    69,484.10x = 6,254,861,207.40
  5. Step 5: Solve for x
    x = 6,254,861,207.40/69,484.10
  6. Step 6: Final answer
    x = 90,018.60

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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.