Home / 72,057.36-99,410.58-48,146.16

Finding the Fourth Proportional to 72,057.36, 99,410.58 and 48,146.16

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Solution

The fourth proportional to 72,057.36, 99,410.58 and 48,146.16 is: 66,422.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,057.36 : 99,410.58 = 48,146.16 : x
  2. Step 2: Convert to fraction form
    72,057.36/99,410.58 = 48,146.16/x
  3. Step 3: Cross multiply
    72,057.36x = 99,410.58 × 48,146.16
  4. Step 4: Simplify right side
    72,057.36x = 4,786,237,690.37
  5. Step 5: Solve for x
    x = 4,786,237,690.37/72,057.36
  6. Step 6: Final answer
    x = 66,422.61

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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.