Home / 90,944.08-125,582.22-57,011.05

Finding the Fourth Proportional to 90,944.08, 125,582.22 and 57,011.05

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Solution

The fourth proportional to 90,944.08, 125,582.22 and 57,011.05 is: 78,725.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,944.08 : 125,582.22 = 57,011.05 : x
  2. Step 2: Convert to fraction form
    90,944.08/125,582.22 = 57,011.05/x
  3. Step 3: Cross multiply
    90,944.08x = 125,582.22 × 57,011.05
  4. Step 4: Simplify right side
    90,944.08x = 7,159,574,223.53
  5. Step 5: Solve for x
    x = 7,159,574,223.53/90,944.08
  6. Step 6: Final answer
    x = 78,725.02

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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.