Home / 74,541.60-111,812.40-47,969.55

Finding the Fourth Proportional to 74,541.60, 111,812.40 and 47,969.55

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Solution

The fourth proportional to 74,541.60, 111,812.40 and 47,969.55 is: 71,954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,541.60 : 111,812.40 = 47,969.55 : x
  2. Step 2: Convert to fraction form
    74,541.60/111,812.40 = 47,969.55/x
  3. Step 3: Cross multiply
    74,541.60x = 111,812.40 × 47,969.55
  4. Step 4: Simplify right side
    74,541.60x = 5,363,590,512.42
  5. Step 5: Solve for x
    x = 5,363,590,512.42/74,541.60
  6. Step 6: Final answer
    x = 71,954.33

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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.