Home / 62,543.07-86,322.83-39,876.84

Finding the Fourth Proportional to 62,543.07, 86,322.83 and 39,876.84

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Solution

The fourth proportional to 62,543.07, 86,322.83 and 39,876.84 is: 55,038.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,543.07 : 86,322.83 = 39,876.84 : x
  2. Step 2: Convert to fraction form
    62,543.07/86,322.83 = 39,876.84/x
  3. Step 3: Cross multiply
    62,543.07x = 86,322.83 × 39,876.84
  4. Step 4: Simplify right side
    62,543.07x = 3,442,281,480.87
  5. Step 5: Solve for x
    x = 3,442,281,480.87/62,543.07
  6. Step 6: Final answer
    x = 55,038.58

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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.