Home / 76,004.04-104,883.51-42,010.14

Finding the Fourth Proportional to 76,004.04, 104,883.51 and 42,010.14

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Solution

The fourth proportional to 76,004.04, 104,883.51 and 42,010.14 is: 57,972.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,004.04 : 104,883.51 = 42,010.14 : x
  2. Step 2: Convert to fraction form
    76,004.04/104,883.51 = 42,010.14/x
  3. Step 3: Cross multiply
    76,004.04x = 104,883.51 × 42,010.14
  4. Step 4: Simplify right side
    76,004.04x = 4,406,170,938.79
  5. Step 5: Solve for x
    x = 4,406,170,938.79/76,004.04
  6. Step 6: Final answer
    x = 57,972.85

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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.