Home / 88,371.63-121,912.56-52,541.28

Finding the Fourth Proportional to 88,371.63, 121,912.56 and 52,541.28

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Solution

The fourth proportional to 88,371.63, 121,912.56 and 52,541.28 is: 72,483.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,371.63 : 121,912.56 = 52,541.28 : x
  2. Step 2: Convert to fraction form
    88,371.63/121,912.56 = 52,541.28/x
  3. Step 3: Cross multiply
    88,371.63x = 121,912.56 × 52,541.28
  4. Step 4: Simplify right side
    88,371.63x = 6,405,441,950.48
  5. Step 5: Solve for x
    x = 6,405,441,950.48/88,371.63
  6. Step 6: Final answer
    x = 72,483.01

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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.