Home / 77,191.10-106,544.67-45,370.22

Finding the Fourth Proportional to 77,191.10, 106,544.67 and 45,370.22

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Solution

The fourth proportional to 77,191.10, 106,544.67 and 45,370.22 is: 62,623.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,191.10 : 106,544.67 = 45,370.22 : x
  2. Step 2: Convert to fraction form
    77,191.10/106,544.67 = 45,370.22/x
  3. Step 3: Cross multiply
    77,191.10x = 106,544.67 × 45,370.22
  4. Step 4: Simplify right side
    77,191.10x = 4,833,955,117.73
  5. Step 5: Solve for x
    x = 4,833,955,117.73/77,191.10
  6. Step 6: Final answer
    x = 62,623.22

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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.