Home / 94,083.84-141,688.96-85,685.76

Finding the Fourth Proportional to 94,083.84, 141,688.96 and 85,685.76

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Solution

The fourth proportional to 94,083.84, 141,688.96 and 85,685.76 is: 129,041.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,083.84 : 141,688.96 = 85,685.76 : x
  2. Step 2: Convert to fraction form
    94,083.84/141,688.96 = 85,685.76/x
  3. Step 3: Cross multiply
    94,083.84x = 141,688.96 × 85,685.76
  4. Step 4: Simplify right side
    94,083.84x = 12,140,726,221.21
  5. Step 5: Solve for x
    x = 12,140,726,221.21/94,083.84
  6. Step 6: Final answer
    x = 129,041.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.