Home / 85,661.01-118,216.06-47,935.26

Finding the Fourth Proportional to 85,661.01, 118,216.06 and 47,935.26

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Solution

The fourth proportional to 85,661.01, 118,216.06 and 47,935.26 is: 66,152.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,661.01 : 118,216.06 = 47,935.26 : x
  2. Step 2: Convert to fraction form
    85,661.01/118,216.06 = 47,935.26/x
  3. Step 3: Cross multiply
    85,661.01x = 118,216.06 × 47,935.26
  4. Step 4: Simplify right side
    85,661.01x = 5,666,717,452.44
  5. Step 5: Solve for x
    x = 5,666,717,452.44/85,661.01
  6. Step 6: Final answer
    x = 66,152.82

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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.