Home / 58,785.80-81,124.58-31,928.76

Finding the Fourth Proportional to 58,785.80, 81,124.58 and 31,928.76

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Solution

The fourth proportional to 58,785.80, 81,124.58 and 31,928.76 is: 44,061.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,785.80 : 81,124.58 = 31,928.76 : x
  2. Step 2: Convert to fraction form
    58,785.80/81,124.58 = 31,928.76/x
  3. Step 3: Cross multiply
    58,785.80x = 81,124.58 × 31,928.76
  4. Step 4: Simplify right side
    58,785.80x = 2,590,207,244.92
  5. Step 5: Solve for x
    x = 2,590,207,244.92/58,785.80
  6. Step 6: Final answer
    x = 44,061.78

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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.