Home / 76,256.08-105,233.32-42,722.32

Finding the Fourth Proportional to 76,256.08, 105,233.32 and 42,722.32

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Solution

The fourth proportional to 76,256.08, 105,233.32 and 42,722.32 is: 58,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,256.08 : 105,233.32 = 42,722.32 : x
  2. Step 2: Convert to fraction form
    76,256.08/105,233.32 = 42,722.32/x
  3. Step 3: Cross multiply
    76,256.08x = 105,233.32 × 42,722.32
  4. Step 4: Simplify right side
    76,256.08x = 4,495,811,571.70
  5. Step 5: Solve for x
    x = 4,495,811,571.70/76,256.08
  6. Step 6: Final answer
    x = 58,956.76

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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.