Home / 85,632.93-118,173.33-47,907.18

Finding the Fourth Proportional to 85,632.93, 118,173.33 and 47,907.18

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Solution

The fourth proportional to 85,632.93, 118,173.33 and 47,907.18 is: 66,111.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,632.93 : 118,173.33 = 47,907.18 : x
  2. Step 2: Convert to fraction form
    85,632.93/118,173.33 = 47,907.18/x
  3. Step 3: Cross multiply
    85,632.93x = 118,173.33 × 47,907.18
  4. Step 4: Simplify right side
    85,632.93x = 5,661,350,991.51
  5. Step 5: Solve for x
    x = 5,661,350,991.51/85,632.93
  6. Step 6: Final answer
    x = 66,111.84

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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.