Home / 72,977.73-100,719.26-42,775.08

Finding the Fourth Proportional to 72,977.73, 100,719.26 and 42,775.08

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Solution

The fourth proportional to 72,977.73, 100,719.26 and 42,775.08 is: 59,035.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,977.73 : 100,719.26 = 42,775.08 : x
  2. Step 2: Convert to fraction form
    72,977.73/100,719.26 = 42,775.08/x
  3. Step 3: Cross multiply
    72,977.73x = 100,719.26 × 42,775.08
  4. Step 4: Simplify right side
    72,977.73x = 4,308,274,404.04
  5. Step 5: Solve for x
    x = 4,308,274,404.04/72,977.73
  6. Step 6: Final answer
    x = 59,035.47

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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.