Home / 74,416.29-102,653.55-47,142.42

Finding the Fourth Proportional to 74,416.29, 102,653.55 and 47,142.42

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Solution

The fourth proportional to 74,416.29, 102,653.55 and 47,142.42 is: 65,030.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,416.29 : 102,653.55 = 47,142.42 : x
  2. Step 2: Convert to fraction form
    74,416.29/102,653.55 = 47,142.42/x
  3. Step 3: Cross multiply
    74,416.29x = 102,653.55 × 47,142.42
  4. Step 4: Simplify right side
    74,416.29x = 4,839,336,768.59
  5. Step 5: Solve for x
    x = 4,839,336,768.59/74,416.29
  6. Step 6: Final answer
    x = 65,030.61

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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.