Home / 53,290.08-79,966.80-23,709.60

Finding the Fourth Proportional to 53,290.08, 79,966.80 and 23,709.60

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Solution

The fourth proportional to 53,290.08, 79,966.80 and 23,709.60 is: 35,578.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,290.08 : 79,966.80 = 23,709.60 : x
  2. Step 2: Convert to fraction form
    53,290.08/79,966.80 = 23,709.60/x
  3. Step 3: Cross multiply
    53,290.08x = 79,966.80 × 23,709.60
  4. Step 4: Simplify right side
    53,290.08x = 1,895,980,841.28
  5. Step 5: Solve for x
    x = 1,895,980,841.28/53,290.08
  6. Step 6: Final answer
    x = 35,578.49

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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.