Home / 69,439.70-104,159.55-59,417.30

Finding the Fourth Proportional to 69,439.70, 104,159.55 and 59,417.30

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Solution

The fourth proportional to 69,439.70, 104,159.55 and 59,417.30 is: 89,125.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,439.70 : 104,159.55 = 59,417.30 : x
  2. Step 2: Convert to fraction form
    69,439.70/104,159.55 = 59,417.30/x
  3. Step 3: Cross multiply
    69,439.70x = 104,159.55 × 59,417.30
  4. Step 4: Simplify right side
    69,439.70x = 6,188,879,230.22
  5. Step 5: Solve for x
    x = 6,188,879,230.22/69,439.70
  6. Step 6: Final answer
    x = 89,125.95

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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.