Home / 85,588.54-118,117.65-47,863.06

Finding the Fourth Proportional to 85,588.54, 118,117.65 and 47,863.06

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Solution

The fourth proportional to 85,588.54, 118,117.65 and 47,863.06 is: 66,054.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,588.54 : 118,117.65 = 47,863.06 : x
  2. Step 2: Convert to fraction form
    85,588.54/118,117.65 = 47,863.06/x
  3. Step 3: Cross multiply
    85,588.54x = 118,117.65 × 47,863.06
  4. Step 4: Simplify right side
    85,588.54x = 5,653,472,169.01
  5. Step 5: Solve for x
    x = 5,653,472,169.01/85,588.54
  6. Step 6: Final answer
    x = 66,054.08

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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.