Home / 76,488.20-105,556.07-46,279.07

Finding the Fourth Proportional to 76,488.20, 105,556.07 and 46,279.07

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Solution

The fourth proportional to 76,488.20, 105,556.07 and 46,279.07 is: 63,866.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,488.20 : 105,556.07 = 46,279.07 : x
  2. Step 2: Convert to fraction form
    76,488.20/105,556.07 = 46,279.07/x
  3. Step 3: Cross multiply
    76,488.20x = 105,556.07 × 46,279.07
  4. Step 4: Simplify right side
    76,488.20x = 4,885,036,521.06
  5. Step 5: Solve for x
    x = 4,885,036,521.06/76,488.20
  6. Step 6: Final answer
    x = 63,866.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.