Home / 58,263.04-87,372.30-20,816.08

Finding the Fourth Proportional to 58,263.04, 87,372.30 and 20,816.08

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Solution

The fourth proportional to 58,263.04, 87,372.30 and 20,816.08 is: 31,216.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,263.04 : 87,372.30 = 20,816.08 : x
  2. Step 2: Convert to fraction form
    58,263.04/87,372.30 = 20,816.08/x
  3. Step 3: Cross multiply
    58,263.04x = 87,372.30 × 20,816.08
  4. Step 4: Simplify right side
    58,263.04x = 1,818,748,786.58
  5. Step 5: Solve for x
    x = 1,818,748,786.58/58,263.04
  6. Step 6: Final answer
    x = 31,216.17

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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.