Home / 76,518.32-105,524.66-47,828.84

Finding the Fourth Proportional to 76,518.32, 105,524.66 and 47,828.84

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Solution

The fourth proportional to 76,518.32, 105,524.66 and 47,828.84 is: 65,959.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,518.32 : 105,524.66 = 47,828.84 : x
  2. Step 2: Convert to fraction form
    76,518.32/105,524.66 = 47,828.84/x
  3. Step 3: Cross multiply
    76,518.32x = 105,524.66 × 47,828.84
  4. Step 4: Simplify right side
    76,518.32x = 5,047,121,312.43
  5. Step 5: Solve for x
    x = 5,047,121,312.43/76,518.32
  6. Step 6: Final answer
    x = 65,959.65

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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.