Home / 77,445.68-106,907.66-52,329.20

Finding the Fourth Proportional to 77,445.68, 106,907.66 and 52,329.20

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Solution

The fourth proportional to 77,445.68, 106,907.66 and 52,329.20 is: 72,236.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,445.68 : 106,907.66 = 52,329.20 : x
  2. Step 2: Convert to fraction form
    77,445.68/106,907.66 = 52,329.20/x
  3. Step 3: Cross multiply
    77,445.68x = 106,907.66 × 52,329.20
  4. Step 4: Simplify right side
    77,445.68x = 5,594,392,321.67
  5. Step 5: Solve for x
    x = 5,594,392,321.67/77,445.68
  6. Step 6: Final answer
    x = 72,236.34

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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.