Home / 101,562.20-152,357.48-42,384.31

Finding the Fourth Proportional to 101,562.20, 152,357.48 and 42,384.31

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Solution

The fourth proportional to 101,562.20, 152,357.48 and 42,384.31 is: 63,582.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,562.20 : 152,357.48 = 42,384.31 : x
  2. Step 2: Convert to fraction form
    101,562.20/152,357.48 = 42,384.31/x
  3. Step 3: Cross multiply
    101,562.20x = 152,357.48 × 42,384.31
  4. Step 4: Simplify right side
    101,562.20x = 6,457,565,689.43
  5. Step 5: Solve for x
    x = 6,457,565,689.43/101,562.20
  6. Step 6: Final answer
    x = 63,582.37

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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.