Home / 55,320.70-82,762.35-48,006.40

Finding the Fourth Proportional to 55,320.70, 82,762.35 and 48,006.40

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Solution

The fourth proportional to 55,320.70, 82,762.35 and 48,006.40 is: 71,819.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,320.70 : 82,762.35 = 48,006.40 : x
  2. Step 2: Convert to fraction form
    55,320.70/82,762.35 = 48,006.40/x
  3. Step 3: Cross multiply
    55,320.70x = 82,762.35 × 48,006.40
  4. Step 4: Simplify right side
    55,320.70x = 3,973,122,479.04
  5. Step 5: Solve for x
    x = 3,973,122,479.04/55,320.70
  6. Step 6: Final answer
    x = 71,819.82

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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.