Home / 86,826.36-130,091.02-47,411.24

Finding the Fourth Proportional to 86,826.36, 130,091.02 and 47,411.24

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Solution

The fourth proportional to 86,826.36, 130,091.02 and 47,411.24 is: 71,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,826.36 : 130,091.02 = 47,411.24 : x
  2. Step 2: Convert to fraction form
    86,826.36/130,091.02 = 47,411.24/x
  3. Step 3: Cross multiply
    86,826.36x = 130,091.02 × 47,411.24
  4. Step 4: Simplify right side
    86,826.36x = 6,167,776,571.06
  5. Step 5: Solve for x
    x = 6,167,776,571.06/86,826.36
  6. Step 6: Final answer
    x = 71,035.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.