Home / 85,554.46-118,065.50-47,828.71

Finding the Fourth Proportional to 85,554.46, 118,065.50 and 47,828.71

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Solution

The fourth proportional to 85,554.46, 118,065.50 and 47,828.71 is: 66,003.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,554.46 : 118,065.50 = 47,828.71 : x
  2. Step 2: Convert to fraction form
    85,554.46/118,065.50 = 47,828.71/x
  3. Step 3: Cross multiply
    85,554.46x = 118,065.50 × 47,828.71
  4. Step 4: Simplify right side
    85,554.46x = 5,646,920,560.51
  5. Step 5: Solve for x
    x = 5,646,920,560.51/85,554.46
  6. Step 6: Final answer
    x = 66,003.81

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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.