Home / 58,535.28-80,778.69-31,677.78

Finding the Fourth Proportional to 58,535.28, 80,778.69 and 31,677.78

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Solution

The fourth proportional to 58,535.28, 80,778.69 and 31,677.78 is: 43,715.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,535.28 : 80,778.69 = 31,677.78 : x
  2. Step 2: Convert to fraction form
    58,535.28/80,778.69 = 31,677.78/x
  3. Step 3: Cross multiply
    58,535.28x = 80,778.69 × 31,677.78
  4. Step 4: Simplify right side
    58,535.28x = 2,558,889,570.51
  5. Step 5: Solve for x
    x = 2,558,889,570.51/58,535.28
  6. Step 6: Final answer
    x = 43,715.34

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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.