Home / 85,589.04-118,118.34-47,863.56

Finding the Fourth Proportional to 85,589.04, 118,118.34 and 47,863.56

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Solution

The fourth proportional to 85,589.04, 118,118.34 and 47,863.56 is: 66,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,589.04 : 118,118.34 = 47,863.56 : x
  2. Step 2: Convert to fraction form
    85,589.04/118,118.34 = 47,863.56/x
  3. Step 3: Cross multiply
    85,589.04x = 118,118.34 × 47,863.56
  4. Step 4: Simplify right side
    85,589.04x = 5,653,564,253.69
  5. Step 5: Solve for x
    x = 5,653,564,253.69/85,589.04
  6. Step 6: Final answer
    x = 66,054.77

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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.