Home / 53,139.32-79,487.02-37,343.24

Finding the Fourth Proportional to 53,139.32, 79,487.02 and 37,343.24

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Solution

The fourth proportional to 53,139.32, 79,487.02 and 37,343.24 is: 55,858.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,139.32 : 79,487.02 = 37,343.24 : x
  2. Step 2: Convert to fraction form
    53,139.32/79,487.02 = 37,343.24/x
  3. Step 3: Cross multiply
    53,139.32x = 79,487.02 × 37,343.24
  4. Step 4: Simplify right side
    53,139.32x = 2,968,302,864.74
  5. Step 5: Solve for x
    x = 2,968,302,864.74/53,139.32
  6. Step 6: Final answer
    x = 55,858.88

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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.