Home / 85,730.70-118,302.75-48,004.14

Finding the Fourth Proportional to 85,730.70, 118,302.75 and 48,004.14

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Solution

The fourth proportional to 85,730.70, 118,302.75 and 48,004.14 is: 66,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,730.70 : 118,302.75 = 48,004.14 : x
  2. Step 2: Convert to fraction form
    85,730.70/118,302.75 = 48,004.14/x
  3. Step 3: Cross multiply
    85,730.70x = 118,302.75 × 48,004.14
  4. Step 4: Simplify right side
    85,730.70x = 5,679,021,773.39
  5. Step 5: Solve for x
    x = 5,679,021,773.39/85,730.70
  6. Step 6: Final answer
    x = 66,242.57

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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.