Home / 94,125.51-140,357.95-81,061.83

Finding the Fourth Proportional to 94,125.51, 140,357.95 and 81,061.83

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Solution

The fourth proportional to 94,125.51, 140,357.95 and 81,061.83 is: 120,877.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,125.51 : 140,357.95 = 81,061.83 : x
  2. Step 2: Convert to fraction form
    94,125.51/140,357.95 = 81,061.83/x
  3. Step 3: Cross multiply
    94,125.51x = 140,357.95 × 81,061.83
  4. Step 4: Simplify right side
    94,125.51x = 11,377,672,079.39
  5. Step 5: Solve for x
    x = 11,377,672,079.39/94,125.51
  6. Step 6: Final answer
    x = 120,877.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.