Home / 85,341.02-117,770.23-47,615.26

Finding the Fourth Proportional to 85,341.02, 117,770.23 and 47,615.26

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Solution

The fourth proportional to 85,341.02, 117,770.23 and 47,615.26 is: 65,708.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,341.02 : 117,770.23 = 47,615.26 : x
  2. Step 2: Convert to fraction form
    85,341.02/117,770.23 = 47,615.26/x
  3. Step 3: Cross multiply
    85,341.02x = 117,770.23 × 47,615.26
  4. Step 4: Simplify right side
    85,341.02x = 5,607,660,121.71
  5. Step 5: Solve for x
    x = 5,607,660,121.71/85,341.02
  6. Step 6: Final answer
    x = 65,708.85

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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.