Home / 54,030.56-81,070.08-34,303.84

Finding the Fourth Proportional to 54,030.56, 81,070.08 and 34,303.84

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Solution

The fourth proportional to 54,030.56, 81,070.08 and 34,303.84 is: 51,471.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,030.56 : 81,070.08 = 34,303.84 : x
  2. Step 2: Convert to fraction form
    54,030.56/81,070.08 = 34,303.84/x
  3. Step 3: Cross multiply
    54,030.56x = 81,070.08 × 34,303.84
  4. Step 4: Simplify right side
    54,030.56x = 2,781,015,053.11
  5. Step 5: Solve for x
    x = 2,781,015,053.11/54,030.56
  6. Step 6: Final answer
    x = 51,471.15

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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.