Home / 85,968.36-118,636.02-48,242.52

Finding the Fourth Proportional to 85,968.36, 118,636.02 and 48,242.52

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Solution

The fourth proportional to 85,968.36, 118,636.02 and 48,242.52 is: 66,574.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,968.36 : 118,636.02 = 48,242.52 : x
  2. Step 2: Convert to fraction form
    85,968.36/118,636.02 = 48,242.52/x
  3. Step 3: Cross multiply
    85,968.36x = 118,636.02 × 48,242.52
  4. Step 4: Simplify right side
    85,968.36x = 5,723,300,567.57
  5. Step 5: Solve for x
    x = 5,723,300,567.57/85,968.36
  6. Step 6: Final answer
    x = 66,574.50

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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.