Home / 112,701.96-155,528.46-64,954.98

Finding the Fourth Proportional to 112,701.96, 155,528.46 and 64,954.98

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Solution

The fourth proportional to 112,701.96, 155,528.46 and 64,954.98 is: 89,637.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,701.96 : 155,528.46 = 64,954.98 : x
  2. Step 2: Convert to fraction form
    112,701.96/155,528.46 = 64,954.98/x
  3. Step 3: Cross multiply
    112,701.96x = 155,528.46 × 64,954.98
  4. Step 4: Simplify right side
    112,701.96x = 10,102,348,008.73
  5. Step 5: Solve for x
    x = 10,102,348,008.73/112,701.96
  6. Step 6: Final answer
    x = 89,637.73

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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.