Home / 53,166.76-73,380.74-30,521.05

Finding the Fourth Proportional to 53,166.76, 73,380.74 and 30,521.05

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Solution

The fourth proportional to 53,166.76, 73,380.74 and 30,521.05 is: 42,125.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,166.76 : 73,380.74 = 30,521.05 : x
  2. Step 2: Convert to fraction form
    53,166.76/73,380.74 = 30,521.05/x
  3. Step 3: Cross multiply
    53,166.76x = 73,380.74 × 30,521.05
  4. Step 4: Simplify right side
    53,166.76x = 2,239,656,898.52
  5. Step 5: Solve for x
    x = 2,239,656,898.52/53,166.76
  6. Step 6: Final answer
    x = 42,125.14

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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.