Home / 77,333.16-106,717.98-45,065.73

Finding the Fourth Proportional to 77,333.16, 106,717.98 and 45,065.73

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Solution

The fourth proportional to 77,333.16, 106,717.98 and 45,065.73 is: 62,189.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,333.16 : 106,717.98 = 45,065.73 : x
  2. Step 2: Convert to fraction form
    77,333.16/106,717.98 = 45,065.73/x
  3. Step 3: Cross multiply
    77,333.16x = 106,717.98 × 45,065.73
  4. Step 4: Simplify right side
    77,333.16x = 4,809,323,672.83
  5. Step 5: Solve for x
    x = 4,809,323,672.83/77,333.16
  6. Step 6: Final answer
    x = 62,189.67

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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.