Home / 84,500.69-116,648.64-55,838.23

Finding the Fourth Proportional to 84,500.69, 116,648.64 and 55,838.23

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Solution

The fourth proportional to 84,500.69, 116,648.64 and 55,838.23 is: 77,081.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,500.69 : 116,648.64 = 55,838.23 : x
  2. Step 2: Convert to fraction form
    84,500.69/116,648.64 = 55,838.23/x
  3. Step 3: Cross multiply
    84,500.69x = 116,648.64 × 55,838.23
  4. Step 4: Simplify right side
    84,500.69x = 6,513,453,525.92
  5. Step 5: Solve for x
    x = 6,513,453,525.92/84,500.69
  6. Step 6: Final answer
    x = 77,081.66

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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.