Home / 74,059.79-102,199.99-42,238.94

Finding the Fourth Proportional to 74,059.79, 102,199.99 and 42,238.94

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Solution

The fourth proportional to 74,059.79, 102,199.99 and 42,238.94 is: 58,288.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,059.79 : 102,199.99 = 42,238.94 : x
  2. Step 2: Convert to fraction form
    74,059.79/102,199.99 = 42,238.94/x
  3. Step 3: Cross multiply
    74,059.79x = 102,199.99 × 42,238.94
  4. Step 4: Simplify right side
    74,059.79x = 4,316,819,034.42
  5. Step 5: Solve for x
    x = 4,316,819,034.42/74,059.79
  6. Step 6: Final answer
    x = 58,288.30

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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.