Home / 77,243.22-106,570.86-43,246.70

Finding the Fourth Proportional to 77,243.22, 106,570.86 and 43,246.70

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Solution

The fourth proportional to 77,243.22, 106,570.86 and 43,246.70 is: 59,666.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,243.22 : 106,570.86 = 43,246.70 : x
  2. Step 2: Convert to fraction form
    77,243.22/106,570.86 = 43,246.70/x
  3. Step 3: Cross multiply
    77,243.22x = 106,570.86 × 43,246.70
  4. Step 4: Simplify right side
    77,243.22x = 4,608,838,011.16
  5. Step 5: Solve for x
    x = 4,608,838,011.16/77,243.22
  6. Step 6: Final answer
    x = 59,666.57

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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.