Home / 86,865.60-119,877.46-51,055.10

Finding the Fourth Proportional to 86,865.60, 119,877.46 and 51,055.10

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Solution

The fourth proportional to 86,865.60, 119,877.46 and 51,055.10 is: 70,457.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,865.60 : 119,877.46 = 51,055.10 : x
  2. Step 2: Convert to fraction form
    86,865.60/119,877.46 = 51,055.10/x
  3. Step 3: Cross multiply
    86,865.60x = 119,877.46 × 51,055.10
  4. Step 4: Simplify right side
    86,865.60x = 6,120,355,708.05
  5. Step 5: Solve for x
    x = 6,120,355,708.05/86,865.60
  6. Step 6: Final answer
    x = 70,457.76

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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.