Home / 53,133.28-79,875.12-44,385.28

Finding the Fourth Proportional to 53,133.28, 79,875.12 and 44,385.28

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Solution

The fourth proportional to 53,133.28, 79,875.12 and 44,385.28 is: 66,724.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,133.28 : 79,875.12 = 44,385.28 : x
  2. Step 2: Convert to fraction form
    53,133.28/79,875.12 = 44,385.28/x
  3. Step 3: Cross multiply
    53,133.28x = 79,875.12 × 44,385.28
  4. Step 4: Simplify right side
    53,133.28x = 3,545,279,566.23
  5. Step 5: Solve for x
    x = 3,545,279,566.23/53,133.28
  6. Step 6: Final answer
    x = 66,724.27

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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.