Home / 86,341.40-119,150.70-48,615.92

Finding the Fourth Proportional to 86,341.40, 119,150.70 and 48,615.92

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Solution

The fourth proportional to 86,341.40, 119,150.70 and 48,615.92 is: 67,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,341.40 : 119,150.70 = 48,615.92 : x
  2. Step 2: Convert to fraction form
    86,341.40/119,150.70 = 48,615.92/x
  3. Step 3: Cross multiply
    86,341.40x = 119,150.70 × 48,615.92
  4. Step 4: Simplify right side
    86,341.40x = 5,792,620,899.14
  5. Step 5: Solve for x
    x = 5,792,620,899.14/86,341.40
  6. Step 6: Final answer
    x = 67,089.73

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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.