Home / 76,007.04-104,887.65-42,013.14

Finding the Fourth Proportional to 76,007.04, 104,887.65 and 42,013.14

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Solution

The fourth proportional to 76,007.04, 104,887.65 and 42,013.14 is: 57,976.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,007.04 : 104,887.65 = 42,013.14 : x
  2. Step 2: Convert to fraction form
    76,007.04/104,887.65 = 42,013.14/x
  3. Step 3: Cross multiply
    76,007.04x = 104,887.65 × 42,013.14
  4. Step 4: Simplify right side
    76,007.04x = 4,406,659,523.72
  5. Step 5: Solve for x
    x = 4,406,659,523.72/76,007.04
  6. Step 6: Final answer
    x = 57,976.99

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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.