Home / 109,848.96-151,511.04-72,109.44

Finding the Fourth Proportional to 109,848.96, 151,511.04 and 72,109.44

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Solution

The fourth proportional to 109,848.96, 151,511.04 and 72,109.44 is: 99,458.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,848.96 : 151,511.04 = 72,109.44 : x
  2. Step 2: Convert to fraction form
    109,848.96/151,511.04 = 72,109.44/x
  3. Step 3: Cross multiply
    109,848.96x = 151,511.04 × 72,109.44
  4. Step 4: Simplify right side
    109,848.96x = 10,925,376,248.22
  5. Step 5: Solve for x
    x = 10,925,376,248.22/109,848.96
  6. Step 6: Final answer
    x = 99,458.17

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1.5x scale

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.