Home / 53,178.39-79,570.67-39,148.83

Finding the Fourth Proportional to 53,178.39, 79,570.67 and 39,148.83

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Solution

The fourth proportional to 53,178.39, 79,570.67 and 39,148.83 is: 58,578.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,178.39 : 79,570.67 = 39,148.83 : x
  2. Step 2: Convert to fraction form
    53,178.39/79,570.67 = 39,148.83/x
  3. Step 3: Cross multiply
    53,178.39x = 79,570.67 × 39,148.83
  4. Step 4: Simplify right side
    53,178.39x = 3,115,098,437.07
  5. Step 5: Solve for x
    x = 3,115,098,437.07/53,178.39
  6. Step 6: Final answer
    x = 58,578.28

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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.