Home / 83,879.08-125,814.48-31,284.46

Finding the Fourth Proportional to 83,879.08, 125,814.48 and 31,284.46

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Solution

The fourth proportional to 83,879.08, 125,814.48 and 31,284.46 is: 46,925.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,879.08 : 125,814.48 = 31,284.46 : x
  2. Step 2: Convert to fraction form
    83,879.08/125,814.48 = 31,284.46/x
  3. Step 3: Cross multiply
    83,879.08x = 125,814.48 × 31,284.46
  4. Step 4: Simplify right side
    83,879.08x = 3,936,038,066.98
  5. Step 5: Solve for x
    x = 3,936,038,066.98/83,879.08
  6. Step 6: Final answer
    x = 46,925.15

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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.