Home / 55,030.74-75,907.12-37,794.78

Finding the Fourth Proportional to 55,030.74, 75,907.12 and 37,794.78

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Solution

The fourth proportional to 55,030.74, 75,907.12 and 37,794.78 is: 52,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,030.74 : 75,907.12 = 37,794.78 : x
  2. Step 2: Convert to fraction form
    55,030.74/75,907.12 = 37,794.78/x
  3. Step 3: Cross multiply
    55,030.74x = 75,907.12 × 37,794.78
  4. Step 4: Simplify right side
    55,030.74x = 2,868,892,900.83
  5. Step 5: Solve for x
    x = 2,868,892,900.83/55,030.74
  6. Step 6: Final answer
    x = 52,132.55

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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.