Home / 86,708.16-119,755.98-58,364.64

Finding the Fourth Proportional to 86,708.16, 119,755.98 and 58,364.64

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Solution

The fourth proportional to 86,708.16, 119,755.98 and 58,364.64 is: 80,609.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,708.16 : 119,755.98 = 58,364.64 : x
  2. Step 2: Convert to fraction form
    86,708.16/119,755.98 = 58,364.64/x
  3. Step 3: Cross multiply
    86,708.16x = 119,755.98 × 58,364.64
  4. Step 4: Simplify right side
    86,708.16x = 6,989,514,660.55
  5. Step 5: Solve for x
    x = 6,989,514,660.55/86,708.16
  6. Step 6: Final answer
    x = 80,609.65

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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.