Home / 53,479.19-73,802.16-29,279.75

Finding the Fourth Proportional to 53,479.19, 73,802.16 and 29,279.75

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Solution

The fourth proportional to 53,479.19, 73,802.16 and 29,279.75 is: 40,406.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,479.19 : 73,802.16 = 29,279.75 : x
  2. Step 2: Convert to fraction form
    53,479.19/73,802.16 = 29,279.75/x
  3. Step 3: Cross multiply
    53,479.19x = 73,802.16 × 29,279.75
  4. Step 4: Simplify right side
    53,479.19x = 2,160,908,794.26
  5. Step 5: Solve for x
    x = 2,160,908,794.26/53,479.19
  6. Step 6: Final answer
    x = 40,406.54

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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.