Home / 85,674.48-118,226.94-47,431.35

Finding the Fourth Proportional to 85,674.48, 118,226.94 and 47,431.35

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Solution

The fourth proportional to 85,674.48, 118,226.94 and 47,431.35 is: 65,453.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,674.48 : 118,226.94 = 47,431.35 : x
  2. Step 2: Convert to fraction form
    85,674.48/118,226.94 = 47,431.35/x
  3. Step 3: Cross multiply
    85,674.48x = 118,226.94 × 47,431.35
  4. Step 4: Simplify right side
    85,674.48x = 5,607,663,126.99
  5. Step 5: Solve for x
    x = 5,607,663,126.99/85,674.48
  6. Step 6: Final answer
    x = 65,453.13

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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.