Home / 65,053.14-89,740.45-43,543.80

Finding the Fourth Proportional to 65,053.14, 89,740.45 and 43,543.80

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Solution

The fourth proportional to 65,053.14, 89,740.45 and 43,543.80 is: 60,068.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,053.14 : 89,740.45 = 43,543.80 : x
  2. Step 2: Convert to fraction form
    65,053.14/89,740.45 = 43,543.80/x
  3. Step 3: Cross multiply
    65,053.14x = 89,740.45 × 43,543.80
  4. Step 4: Simplify right side
    65,053.14x = 3,907,640,206.71
  5. Step 5: Solve for x
    x = 3,907,640,206.71/65,053.14
  6. Step 6: Final answer
    x = 60,068.43

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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.