Home / 76,022.94-104,907.15-42,029.40

Finding the Fourth Proportional to 76,022.94, 104,907.15 and 42,029.40

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Solution

The fourth proportional to 76,022.94, 104,907.15 and 42,029.40 is: 57,998.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,022.94 : 104,907.15 = 42,029.40 : x
  2. Step 2: Convert to fraction form
    76,022.94/104,907.15 = 42,029.40/x
  3. Step 3: Cross multiply
    76,022.94x = 104,907.15 × 42,029.40
  4. Step 4: Simplify right side
    76,022.94x = 4,409,184,570.21
  5. Step 5: Solve for x
    x = 4,409,184,570.21/76,022.94
  6. Step 6: Final answer
    x = 57,998.08

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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.