Home / 79,521.48-119,296.80-26,216.60

Finding the Fourth Proportional to 79,521.48, 119,296.80 and 26,216.60

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Solution

The fourth proportional to 79,521.48, 119,296.80 and 26,216.60 is: 39,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,521.48 : 119,296.80 = 26,216.60 : x
  2. Step 2: Convert to fraction form
    79,521.48/119,296.80 = 26,216.60/x
  3. Step 3: Cross multiply
    79,521.48x = 119,296.80 × 26,216.60
  4. Step 4: Simplify right side
    79,521.48x = 3,127,555,890.40
  5. Step 5: Solve for x
    x = 3,127,555,890.40/79,521.48
  6. Step 6: Final answer
    x = 39,329.70

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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.