Home / 84,340.77-116,336.49-64,153.35

Finding the Fourth Proportional to 84,340.77, 116,336.49 and 64,153.35

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Solution

The fourth proportional to 84,340.77, 116,336.49 and 64,153.35 is: 88,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,340.77 : 116,336.49 = 64,153.35 : x
  2. Step 2: Convert to fraction form
    84,340.77/116,336.49 = 64,153.35/x
  3. Step 3: Cross multiply
    84,340.77x = 116,336.49 × 64,153.35
  4. Step 4: Simplify right side
    84,340.77x = 7,463,375,560.74
  5. Step 5: Solve for x
    x = 7,463,375,560.74/84,340.77
  6. Step 6: Final answer
    x = 88,490.72

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1.5x scale

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.