Home / 76,555.23-114,856.19-39,141.58

Finding the Fourth Proportional to 76,555.23, 114,856.19 and 39,141.58

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Solution

The fourth proportional to 76,555.23, 114,856.19 and 39,141.58 is: 58,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,555.23 : 114,856.19 = 39,141.58 : x
  2. Step 2: Convert to fraction form
    76,555.23/114,856.19 = 39,141.58/x
  3. Step 3: Cross multiply
    76,555.23x = 114,856.19 × 39,141.58
  4. Step 4: Simplify right side
    76,555.23x = 4,495,652,413.31
  5. Step 5: Solve for x
    x = 4,495,652,413.31/76,555.23
  6. Step 6: Final answer
    x = 58,724.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.