Home / 103,482.24-142,807.68-58,769.28

Finding the Fourth Proportional to 103,482.24, 142,807.68 and 58,769.28

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Solution

The fourth proportional to 103,482.24, 142,807.68 and 58,769.28 is: 81,102.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,482.24 : 142,807.68 = 58,769.28 : x
  2. Step 2: Convert to fraction form
    103,482.24/142,807.68 = 58,769.28/x
  3. Step 3: Cross multiply
    103,482.24x = 142,807.68 × 58,769.28
  4. Step 4: Simplify right side
    103,482.24x = 8,392,704,532.07
  5. Step 5: Solve for x
    x = 8,392,704,532.07/103,482.24
  6. Step 6: Final answer
    x = 81,102.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.