Home / 113,880.77-157,156.64-62,894.78

Finding the Fourth Proportional to 113,880.77, 157,156.64 and 62,894.78

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Solution

The fourth proportional to 113,880.77, 157,156.64 and 62,894.78 is: 86,795.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,880.77 : 157,156.64 = 62,894.78 : x
  2. Step 2: Convert to fraction form
    113,880.77/157,156.64 = 62,894.78/x
  3. Step 3: Cross multiply
    113,880.77x = 157,156.64 × 62,894.78
  4. Step 4: Simplify right side
    113,880.77x = 9,884,332,288.61
  5. Step 5: Solve for x
    x = 9,884,332,288.61/113,880.77
  6. Step 6: Final answer
    x = 86,795.44

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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.