Home / 74,201.80-111,389.10-48,015.40

Finding the Fourth Proportional to 74,201.80, 111,389.10 and 48,015.40

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Solution

The fourth proportional to 74,201.80, 111,389.10 and 48,015.40 is: 72,079.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,201.80 : 111,389.10 = 48,015.40 : x
  2. Step 2: Convert to fraction form
    74,201.80/111,389.10 = 48,015.40/x
  3. Step 3: Cross multiply
    74,201.80x = 111,389.10 × 48,015.40
  4. Step 4: Simplify right side
    74,201.80x = 5,348,392,192.14
  5. Step 5: Solve for x
    x = 5,348,392,192.14/74,201.80
  6. Step 6: Final answer
    x = 72,079.01

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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.