Home / 57,088.59-78,782.39-31,596.71

Finding the Fourth Proportional to 57,088.59, 78,782.39 and 31,596.71

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Solution

The fourth proportional to 57,088.59, 78,782.39 and 31,596.71 is: 43,603.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,088.59 : 78,782.39 = 31,596.71 : x
  2. Step 2: Convert to fraction form
    57,088.59/78,782.39 = 31,596.71/x
  3. Step 3: Cross multiply
    57,088.59x = 78,782.39 × 31,596.71
  4. Step 4: Simplify right side
    57,088.59x = 2,489,263,778.04
  5. Step 5: Solve for x
    x = 2,489,263,778.04/57,088.59
  6. Step 6: Final answer
    x = 43,603.53

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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.