Home / 57,685.46-86,527.80-31,043.99

Finding the Fourth Proportional to 57,685.46, 86,527.80 and 31,043.99

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Solution

The fourth proportional to 57,685.46, 86,527.80 and 31,043.99 is: 46,565.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,685.46 : 86,527.80 = 31,043.99 : x
  2. Step 2: Convert to fraction form
    57,685.46/86,527.80 = 31,043.99/x
  3. Step 3: Cross multiply
    57,685.46x = 86,527.80 × 31,043.99
  4. Step 4: Simplify right side
    57,685.46x = 2,686,167,725.28
  5. Step 5: Solve for x
    x = 2,686,167,725.28/57,685.46
  6. Step 6: Final answer
    x = 46,565.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.