Home / 53,318.65-79,632.30-48,311.03

Finding the Fourth Proportional to 53,318.65, 79,632.30 and 48,311.03

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Solution

The fourth proportional to 53,318.65, 79,632.30 and 48,311.03 is: 72,153.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,318.65 : 79,632.30 = 48,311.03 : x
  2. Step 2: Convert to fraction form
    53,318.65/79,632.30 = 48,311.03/x
  3. Step 3: Cross multiply
    53,318.65x = 79,632.30 × 48,311.03
  4. Step 4: Simplify right side
    53,318.65x = 3,847,118,036.11
  5. Step 5: Solve for x
    x = 3,847,118,036.11/53,318.65
  6. Step 6: Final answer
    x = 72,153.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.