Home / 86,068.13-118,771.38-47,827.49

Finding the Fourth Proportional to 86,068.13, 118,771.38 and 47,827.49

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Solution

The fourth proportional to 86,068.13, 118,771.38 and 47,827.49 is: 66,000.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,068.13 : 118,771.38 = 47,827.49 : x
  2. Step 2: Convert to fraction form
    86,068.13/118,771.38 = 47,827.49/x
  3. Step 3: Cross multiply
    86,068.13x = 118,771.38 × 47,827.49
  4. Step 4: Simplify right side
    86,068.13x = 5,680,536,395.38
  5. Step 5: Solve for x
    x = 5,680,536,395.38/86,068.13
  6. Step 6: Final answer
    x = 66,000.47

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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.