Home / 87,330.64-120,477.96-59,026

Finding the Fourth Proportional to 87,330.64, 120,477.96 and 59,026

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Solution

The fourth proportional to 87,330.64, 120,477.96 and 59,026 is: 81,429.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,330.64 : 120,477.96 = 59,026 : x
  2. Step 2: Convert to fraction form
    87,330.64/120,477.96 = 59,026/x
  3. Step 3: Cross multiply
    87,330.64x = 120,477.96 × 59,026
  4. Step 4: Simplify right side
    87,330.64x = 7,111,332,066.96
  5. Step 5: Solve for x
    x = 7,111,332,066.96/87,330.64
  6. Step 6: Final answer
    x = 81,429.98

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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.