Home / 85,727.40-118,300.41-48,000.84

Finding the Fourth Proportional to 85,727.40, 118,300.41 and 48,000.84

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Solution

The fourth proportional to 85,727.40, 118,300.41 and 48,000.84 is: 66,239.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,727.40 : 118,300.41 = 48,000.84 : x
  2. Step 2: Convert to fraction form
    85,727.40/118,300.41 = 48,000.84/x
  3. Step 3: Cross multiply
    85,727.40x = 118,300.41 × 48,000.84
  4. Step 4: Simplify right side
    85,727.40x = 5,678,519,052.34
  5. Step 5: Solve for x
    x = 5,678,519,052.34/85,727.40
  6. Step 6: Final answer
    x = 66,239.25

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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.