Home / 90,873.48-136,300.50-31,710.27

Finding the Fourth Proportional to 90,873.48, 136,300.50 and 31,710.27

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Solution

The fourth proportional to 90,873.48, 136,300.50 and 31,710.27 is: 47,562.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,873.48 : 136,300.50 = 31,710.27 : x
  2. Step 2: Convert to fraction form
    90,873.48/136,300.50 = 31,710.27/x
  3. Step 3: Cross multiply
    90,873.48x = 136,300.50 × 31,710.27
  4. Step 4: Simplify right side
    90,873.48x = 4,322,125,656.14
  5. Step 5: Solve for x
    x = 4,322,125,656.14/90,873.48
  6. Step 6: Final answer
    x = 47,562.01

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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.