Home / 86,581.18-119,480.85-48,341.31

Finding the Fourth Proportional to 86,581.18, 119,480.85 and 48,341.31

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Solution

The fourth proportional to 86,581.18, 119,480.85 and 48,341.31 is: 66,710.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,581.18 : 119,480.85 = 48,341.31 : x
  2. Step 2: Convert to fraction form
    86,581.18/119,480.85 = 48,341.31/x
  3. Step 3: Cross multiply
    86,581.18x = 119,480.85 × 48,341.31
  4. Step 4: Simplify right side
    86,581.18x = 5,775,860,211.51
  5. Step 5: Solve for x
    x = 5,775,860,211.51/86,581.18
  6. Step 6: Final answer
    x = 66,710.35

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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.