Home / 103,540.02-155,261.43-47,364.18

Finding the Fourth Proportional to 103,540.02, 155,261.43 and 47,364.18

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Solution

The fourth proportional to 103,540.02, 155,261.43 and 47,364.18 is: 71,024.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,540.02 : 155,261.43 = 47,364.18 : x
  2. Step 2: Convert to fraction form
    103,540.02/155,261.43 = 47,364.18/x
  3. Step 3: Cross multiply
    103,540.02x = 155,261.43 × 47,364.18
  4. Step 4: Simplify right side
    103,540.02x = 7,353,830,317.58
  5. Step 5: Solve for x
    x = 7,353,830,317.58/103,540.02
  6. Step 6: Final answer
    x = 71,024.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.