Home / 54,973.02-75,862.32-31,099.50

Finding the Fourth Proportional to 54,973.02, 75,862.32 and 31,099.50

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Solution

The fourth proportional to 54,973.02, 75,862.32 and 31,099.50 is: 42,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,973.02 : 75,862.32 = 31,099.50 : x
  2. Step 2: Convert to fraction form
    54,973.02/75,862.32 = 31,099.50/x
  3. Step 3: Cross multiply
    54,973.02x = 75,862.32 × 31,099.50
  4. Step 4: Simplify right side
    54,973.02x = 2,359,280,220.84
  5. Step 5: Solve for x
    x = 2,359,280,220.84/54,973.02
  6. Step 6: Final answer
    x = 42,917.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.