Home / 86,501.70-119,373.21-50,712.90

Finding the Fourth Proportional to 86,501.70, 119,373.21 and 50,712.90

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Solution

The fourth proportional to 86,501.70, 119,373.21 and 50,712.90 is: 69,984.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,501.70 : 119,373.21 = 50,712.90 : x
  2. Step 2: Convert to fraction form
    86,501.70/119,373.21 = 50,712.90/x
  3. Step 3: Cross multiply
    86,501.70x = 119,373.21 × 50,712.90
  4. Step 4: Simplify right side
    86,501.70x = 6,053,761,661.41
  5. Step 5: Solve for x
    x = 6,053,761,661.41/86,501.70
  6. Step 6: Final answer
    x = 69,984.31

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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.