Home / 102,764.39-154,041.50-58,297.20

Finding the Fourth Proportional to 102,764.39, 154,041.50 and 58,297.20

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Solution

The fourth proportional to 102,764.39, 154,041.50 and 58,297.20 is: 87,386.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,764.39 : 154,041.50 = 58,297.20 : x
  2. Step 2: Convert to fraction form
    102,764.39/154,041.50 = 58,297.20/x
  3. Step 3: Cross multiply
    102,764.39x = 154,041.50 × 58,297.20
  4. Step 4: Simplify right side
    102,764.39x = 8,980,187,842.31
  5. Step 5: Solve for x
    x = 8,980,187,842.31/102,764.39
  6. Step 6: Final answer
    x = 87,386.19

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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.