Home / 86,343.56-119,108.50-59,439.36

Finding the Fourth Proportional to 86,343.56, 119,108.50 and 59,439.36

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Solution

The fourth proportional to 86,343.56, 119,108.50 and 59,439.36 is: 81,994.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,343.56 : 119,108.50 = 59,439.36 : x
  2. Step 2: Convert to fraction form
    86,343.56/119,108.50 = 59,439.36/x
  3. Step 3: Cross multiply
    86,343.56x = 119,108.50 × 59,439.36
  4. Step 4: Simplify right side
    86,343.56x = 7,079,733,391.61
  5. Step 5: Solve for x
    x = 7,079,733,391.61/86,343.56
  6. Step 6: Final answer
    x = 81,994.92

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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.