Home / 85,748-118,332.28-48,022.26

Finding the Fourth Proportional to 85,748, 118,332.28 and 48,022.26

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Solution

The fourth proportional to 85,748, 118,332.28 and 48,022.26 is: 66,270.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,748 : 118,332.28 = 48,022.26 : x
  2. Step 2: Convert to fraction form
    85,748/118,332.28 = 48,022.26/x
  3. Step 3: Cross multiply
    85,748x = 118,332.28 × 48,022.26
  4. Step 4: Simplify right side
    85,748x = 5,682,583,516.55
  5. Step 5: Solve for x
    x = 5,682,583,516.55/85,748
  6. Step 6: Final answer
    x = 66,270.74

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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.