Home / 76,426.16-114,639.12-50,124.74

Finding the Fourth Proportional to 76,426.16, 114,639.12 and 50,124.74

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Solution

The fourth proportional to 76,426.16, 114,639.12 and 50,124.74 is: 75,187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,426.16 : 114,639.12 = 50,124.74 : x
  2. Step 2: Convert to fraction form
    76,426.16/114,639.12 = 50,124.74/x
  3. Step 3: Cross multiply
    76,426.16x = 114,639.12 × 50,124.74
  4. Step 4: Simplify right side
    76,426.16x = 5,746,255,510.63
  5. Step 5: Solve for x
    x = 5,746,255,510.63/76,426.16
  6. Step 6: Final answer
    x = 75,187.03

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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.