Home / 86,445.09-119,334.06-60,972.21

Finding the Fourth Proportional to 86,445.09, 119,334.06 and 60,972.21

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Solution

The fourth proportional to 86,445.09, 119,334.06 and 60,972.21 is: 84,169.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,445.09 : 119,334.06 = 60,972.21 : x
  2. Step 2: Convert to fraction form
    86,445.09/119,334.06 = 60,972.21/x
  3. Step 3: Cross multiply
    86,445.09x = 119,334.06 × 60,972.21
  4. Step 4: Simplify right side
    86,445.09x = 7,276,061,366.47
  5. Step 5: Solve for x
    x = 7,276,061,366.47/86,445.09
  6. Step 6: Final answer
    x = 84,169.75

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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.