Home / 61,999.51-85,480.10-40,157.23

Finding the Fourth Proportional to 61,999.51, 85,480.10 and 40,157.23

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Solution

The fourth proportional to 61,999.51, 85,480.10 and 40,157.23 is: 55,365.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,999.51 : 85,480.10 = 40,157.23 : x
  2. Step 2: Convert to fraction form
    61,999.51/85,480.10 = 40,157.23/x
  3. Step 3: Cross multiply
    61,999.51x = 85,480.10 × 40,157.23
  4. Step 4: Simplify right side
    61,999.51x = 3,432,643,825.15
  5. Step 5: Solve for x
    x = 3,432,643,825.15/61,999.51
  6. Step 6: Final answer
    x = 55,365.66

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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.