Home / 85,543.14-118,053.63-47,302.02

Finding the Fourth Proportional to 85,543.14, 118,053.63 and 47,302.02

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Solution

The fourth proportional to 85,543.14, 118,053.63 and 47,302.02 is: 65,279.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,543.14 : 118,053.63 = 47,302.02 : x
  2. Step 2: Convert to fraction form
    85,543.14/118,053.63 = 47,302.02/x
  3. Step 3: Cross multiply
    85,543.14x = 118,053.63 × 47,302.02
  4. Step 4: Simplify right side
    85,543.14x = 5,584,175,167.33
  5. Step 5: Solve for x
    x = 5,584,175,167.33/85,543.14
  6. Step 6: Final answer
    x = 65,279.05

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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.