Home / 86,759.16-119,726.81-48,518.28

Finding the Fourth Proportional to 86,759.16, 119,726.81 and 48,518.28

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Solution

The fourth proportional to 86,759.16, 119,726.81 and 48,518.28 is: 66,954.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,759.16 : 119,726.81 = 48,518.28 : x
  2. Step 2: Convert to fraction form
    86,759.16/119,726.81 = 48,518.28/x
  3. Step 3: Cross multiply
    86,759.16x = 119,726.81 × 48,518.28
  4. Step 4: Simplify right side
    86,759.16x = 5,808,938,648.50
  5. Step 5: Solve for x
    x = 5,808,938,648.50/86,759.16
  6. Step 6: Final answer
    x = 66,954.76

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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.