Home / 96,005.60-144,008.40-72,677.60

Finding the Fourth Proportional to 96,005.60, 144,008.40 and 72,677.60

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Solution

The fourth proportional to 96,005.60, 144,008.40 and 72,677.60 is: 109,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,005.60 : 144,008.40 = 72,677.60 : x
  2. Step 2: Convert to fraction form
    96,005.60/144,008.40 = 72,677.60/x
  3. Step 3: Cross multiply
    96,005.60x = 144,008.40 × 72,677.60
  4. Step 4: Simplify right side
    96,005.60x = 10,466,184,891.84
  5. Step 5: Solve for x
    x = 10,466,184,891.84/96,005.60
  6. Step 6: Final answer
    x = 109,016.40

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1.5x scale

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.