Home / 54,501.16-81,751.90-37,812.20

Finding the Fourth Proportional to 54,501.16, 81,751.90 and 37,812.20

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Solution

The fourth proportional to 54,501.16, 81,751.90 and 37,812.20 is: 56,718.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,501.16 : 81,751.90 = 37,812.20 : x
  2. Step 2: Convert to fraction form
    54,501.16/81,751.90 = 37,812.20/x
  3. Step 3: Cross multiply
    54,501.16x = 81,751.90 × 37,812.20
  4. Step 4: Simplify right side
    54,501.16x = 3,091,219,193.18
  5. Step 5: Solve for x
    x = 3,091,219,193.18/54,501.16
  6. Step 6: Final answer
    x = 56,718.41

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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.