Home / 85,839.63-118,456.88-48,113.07

Finding the Fourth Proportional to 85,839.63, 118,456.88 and 48,113.07

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Solution

The fourth proportional to 85,839.63, 118,456.88 and 48,113.07 is: 66,395.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,839.63 : 118,456.88 = 48,113.07 : x
  2. Step 2: Convert to fraction form
    85,839.63/118,456.88 = 48,113.07/x
  3. Step 3: Cross multiply
    85,839.63x = 118,456.88 × 48,113.07
  4. Step 4: Simplify right side
    85,839.63x = 5,699,323,918.86
  5. Step 5: Solve for x
    x = 5,699,323,918.86/85,839.63
  6. Step 6: Final answer
    x = 66,395.02

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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.