Home / 86,234.10-119,002.88-48,508.35

Finding the Fourth Proportional to 86,234.10, 119,002.88 and 48,508.35

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Solution

The fourth proportional to 86,234.10, 119,002.88 and 48,508.35 is: 66,941.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,234.10 : 119,002.88 = 48,508.35 : x
  2. Step 2: Convert to fraction form
    86,234.10/119,002.88 = 48,508.35/x
  3. Step 3: Cross multiply
    86,234.10x = 119,002.88 × 48,508.35
  4. Step 4: Simplify right side
    86,234.10x = 5,772,633,111.51
  5. Step 5: Solve for x
    x = 5,772,633,111.51/86,234.10
  6. Step 6: Final answer
    x = 66,941.42

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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.