Home / 76,715.34-115,088.67-32,342.10

Finding the Fourth Proportional to 76,715.34, 115,088.67 and 32,342.10

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Solution

The fourth proportional to 76,715.34, 115,088.67 and 32,342.10 is: 48,519.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,715.34 : 115,088.67 = 32,342.10 : x
  2. Step 2: Convert to fraction form
    76,715.34/115,088.67 = 32,342.10/x
  3. Step 3: Cross multiply
    76,715.34x = 115,088.67 × 32,342.10
  4. Step 4: Simplify right side
    76,715.34x = 3,722,209,274.01
  5. Step 5: Solve for x
    x = 3,722,209,274.01/76,715.34
  6. Step 6: Final answer
    x = 48,519.75

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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.