Home / 51,153.13-70,594.55-28,798.57

Finding the Fourth Proportional to 51,153.13, 70,594.55 and 28,798.57

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Solution

The fourth proportional to 51,153.13, 70,594.55 and 28,798.57 is: 39,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,153.13 : 70,594.55 = 28,798.57 : x
  2. Step 2: Convert to fraction form
    51,153.13/70,594.55 = 28,798.57/x
  3. Step 3: Cross multiply
    51,153.13x = 70,594.55 × 28,798.57
  4. Step 4: Simplify right side
    51,153.13x = 2,033,022,089.79
  5. Step 5: Solve for x
    x = 2,033,022,089.79/51,153.13
  6. Step 6: Final answer
    x = 39,743.85

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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.