Home / 76,036.20-104,928.85-42,043.94

Finding the Fourth Proportional to 76,036.20, 104,928.85 and 42,043.94

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Solution

The fourth proportional to 76,036.20, 104,928.85 and 42,043.94 is: 58,020.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,036.20 : 104,928.85 = 42,043.94 : x
  2. Step 2: Convert to fraction form
    76,036.20/104,928.85 = 42,043.94/x
  3. Step 3: Cross multiply
    76,036.20x = 104,928.85 × 42,043.94
  4. Step 4: Simplify right side
    76,036.20x = 4,411,622,018.20
  5. Step 5: Solve for x
    x = 4,411,622,018.20/76,036.20
  6. Step 6: Final answer
    x = 58,020.03

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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.