Home / 42,373.31-63,555.03-11,210.99

Finding the Fourth Proportional to 42,373.31, 63,555.03 and 11,210.99

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Solution

The fourth proportional to 42,373.31, 63,555.03 and 11,210.99 is: 16,815.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,373.31 : 63,555.03 = 11,210.99 : x
  2. Step 2: Convert to fraction form
    42,373.31/63,555.03 = 11,210.99/x
  3. Step 3: Cross multiply
    42,373.31x = 63,555.03 × 11,210.99
  4. Step 4: Simplify right side
    42,373.31x = 712,514,488.00
  5. Step 5: Solve for x
    x = 712,514,488.00/42,373.31
  6. Step 6: Final answer
    x = 16,815.17

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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.