Home / 82,679.19-114,095.19-46,869.20

Finding the Fourth Proportional to 82,679.19, 114,095.19 and 46,869.20

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Solution

The fourth proportional to 82,679.19, 114,095.19 and 46,869.20 is: 64,678.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,679.19 : 114,095.19 = 46,869.20 : x
  2. Step 2: Convert to fraction form
    82,679.19/114,095.19 = 46,869.20/x
  3. Step 3: Cross multiply
    82,679.19x = 114,095.19 × 46,869.20
  4. Step 4: Simplify right side
    82,679.19x = 5,347,550,279.15
  5. Step 5: Solve for x
    x = 5,347,550,279.15/82,679.19
  6. Step 6: Final answer
    x = 64,678.31

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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.