Home / 74,019.84-102,146.24-45,329.92

Finding the Fourth Proportional to 74,019.84, 102,146.24 and 45,329.92

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Solution

The fourth proportional to 74,019.84, 102,146.24 and 45,329.92 is: 62,554.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,019.84 : 102,146.24 = 45,329.92 : x
  2. Step 2: Convert to fraction form
    74,019.84/102,146.24 = 45,329.92/x
  3. Step 3: Cross multiply
    74,019.84x = 102,146.24 × 45,329.92
  4. Step 4: Simplify right side
    74,019.84x = 4,630,280,887.50
  5. Step 5: Solve for x
    x = 4,630,280,887.50/74,019.84
  6. Step 6: Final answer
    x = 62,554.59

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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.