Home / 125,795.02-173,621.94-72,116.08

Finding the Fourth Proportional to 125,795.02, 173,621.94 and 72,116.08

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Solution

The fourth proportional to 125,795.02, 173,621.94 and 72,116.08 is: 99,534.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,795.02 : 173,621.94 = 72,116.08 : x
  2. Step 2: Convert to fraction form
    125,795.02/173,621.94 = 72,116.08/x
  3. Step 3: Cross multiply
    125,795.02x = 173,621.94 × 72,116.08
  4. Step 4: Simplify right side
    125,795.02x = 12,520,933,714.80
  5. Step 5: Solve for x
    x = 12,520,933,714.80/125,795.02
  6. Step 6: Final answer
    x = 99,534.41

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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.