Home / 85,797.04-118,403.16-48,070

Finding the Fourth Proportional to 85,797.04, 118,403.16 and 48,070

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Solution

The fourth proportional to 85,797.04, 118,403.16 and 48,070 is: 66,338.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,797.04 : 118,403.16 = 48,070 : x
  2. Step 2: Convert to fraction form
    85,797.04/118,403.16 = 48,070/x
  3. Step 3: Cross multiply
    85,797.04x = 118,403.16 × 48,070
  4. Step 4: Simplify right side
    85,797.04x = 5,691,639,901.20
  5. Step 5: Solve for x
    x = 5,691,639,901.20/85,797.04
  6. Step 6: Final answer
    x = 66,338.42

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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.