Home / 112,415.02-168,600.90-52,426.96

Finding the Fourth Proportional to 112,415.02, 168,600.90 and 52,426.96

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Solution

The fourth proportional to 112,415.02, 168,600.90 and 52,426.96 is: 78,630.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,415.02 : 168,600.90 = 52,426.96 : x
  2. Step 2: Convert to fraction form
    112,415.02/168,600.90 = 52,426.96/x
  3. Step 3: Cross multiply
    112,415.02x = 168,600.90 × 52,426.96
  4. Step 4: Simplify right side
    112,415.02x = 8,839,232,640.26
  5. Step 5: Solve for x
    x = 8,839,232,640.26/112,415.02
  6. Step 6: Final answer
    x = 78,630.35

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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.