Home / 86,286.51-129,606.89-56,746.35

Finding the Fourth Proportional to 86,286.51, 129,606.89 and 56,746.35

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Solution

The fourth proportional to 86,286.51, 129,606.89 and 56,746.35 is: 85,236.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,286.51 : 129,606.89 = 56,746.35 : x
  2. Step 2: Convert to fraction form
    86,286.51/129,606.89 = 56,746.35/x
  3. Step 3: Cross multiply
    86,286.51x = 129,606.89 × 56,746.35
  4. Step 4: Simplify right side
    86,286.51x = 7,354,717,658.62
  5. Step 5: Solve for x
    x = 7,354,717,658.62/86,286.51
  6. Step 6: Final answer
    x = 85,236.01

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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.