Home / 74,868.75-112,117.64-58,088.79

Finding the Fourth Proportional to 74,868.75, 112,117.64 and 58,088.79

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Solution

The fourth proportional to 74,868.75, 112,117.64 and 58,088.79 is: 86,989.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,868.75 : 112,117.64 = 58,088.79 : x
  2. Step 2: Convert to fraction form
    74,868.75/112,117.64 = 58,088.79/x
  3. Step 3: Cross multiply
    74,868.75x = 112,117.64 × 58,088.79
  4. Step 4: Simplify right side
    74,868.75x = 6,512,777,754.81
  5. Step 5: Solve for x
    x = 6,512,777,754.81/74,868.75
  6. Step 6: Final answer
    x = 86,989.27

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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.