Home / 109,862.48-151,611.40-64,542.36

Finding the Fourth Proportional to 109,862.48, 151,611.40 and 64,542.36

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Solution

The fourth proportional to 109,862.48, 151,611.40 and 64,542.36 is: 89,069.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,862.48 : 151,611.40 = 64,542.36 : x
  2. Step 2: Convert to fraction form
    109,862.48/151,611.40 = 64,542.36/x
  3. Step 3: Cross multiply
    109,862.48x = 151,611.40 × 64,542.36
  4. Step 4: Simplify right side
    109,862.48x = 9,785,357,558.90
  5. Step 5: Solve for x
    x = 9,785,357,558.90/109,862.48
  6. Step 6: Final answer
    x = 89,069.15

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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.