Home / 85,557.14-118,066.69-47,315.68

Finding the Fourth Proportional to 85,557.14, 118,066.69 and 47,315.68

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Solution

The fourth proportional to 85,557.14, 118,066.69 and 47,315.68 is: 65,294.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,557.14 : 118,066.69 = 47,315.68 : x
  2. Step 2: Convert to fraction form
    85,557.14/118,066.69 = 47,315.68/x
  3. Step 3: Cross multiply
    85,557.14x = 118,066.69 × 47,315.68
  4. Step 4: Simplify right side
    85,557.14x = 5,586,405,722.70
  5. Step 5: Solve for x
    x = 5,586,405,722.70/85,557.14
  6. Step 6: Final answer
    x = 65,294.44

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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.