Home / 76,227.40-114,470.70-56,528.20

Finding the Fourth Proportional to 76,227.40, 114,470.70 and 56,528.20

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Solution

The fourth proportional to 76,227.40, 114,470.70 and 56,528.20 is: 84,888.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,227.40 : 114,470.70 = 56,528.20 : x
  2. Step 2: Convert to fraction form
    76,227.40/114,470.70 = 56,528.20/x
  3. Step 3: Cross multiply
    76,227.40x = 114,470.70 × 56,528.20
  4. Step 4: Simplify right side
    76,227.40x = 6,470,822,623.74
  5. Step 5: Solve for x
    x = 6,470,822,623.74/76,227.40
  6. Step 6: Final answer
    x = 84,888.41

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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.