Home / 76,379.23-114,541.51-26,445.93

Finding the Fourth Proportional to 76,379.23, 114,541.51 and 26,445.93

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Solution

The fourth proportional to 76,379.23, 114,541.51 and 26,445.93 is: 39,659.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,379.23 : 114,541.51 = 26,445.93 : x
  2. Step 2: Convert to fraction form
    76,379.23/114,541.51 = 26,445.93/x
  3. Step 3: Cross multiply
    76,379.23x = 114,541.51 × 26,445.93
  4. Step 4: Simplify right side
    76,379.23x = 3,029,156,050.62
  5. Step 5: Solve for x
    x = 3,029,156,050.62/76,379.23
  6. Step 6: Final answer
    x = 39,659.42

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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.