Home / 53,412.18-80,048.19-39,306.18

Finding the Fourth Proportional to 53,412.18, 80,048.19 and 39,306.18

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Solution

The fourth proportional to 53,412.18, 80,048.19 and 39,306.18 is: 58,907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,412.18 : 80,048.19 = 39,306.18 : x
  2. Step 2: Convert to fraction form
    53,412.18/80,048.19 = 39,306.18/x
  3. Step 3: Cross multiply
    53,412.18x = 80,048.19 × 39,306.18
  4. Step 4: Simplify right side
    53,412.18x = 3,146,388,564.81
  5. Step 5: Solve for x
    x = 3,146,388,564.81/53,412.18
  6. Step 6: Final answer
    x = 58,907.70

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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.