Home / 85,795.62-118,295.01-73,838.40

Finding the Fourth Proportional to 85,795.62, 118,295.01 and 73,838.40

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Solution

The fourth proportional to 85,795.62, 118,295.01 and 73,838.40 is: 101,808.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,795.62 : 118,295.01 = 73,838.40 : x
  2. Step 2: Convert to fraction form
    85,795.62/118,295.01 = 73,838.40/x
  3. Step 3: Cross multiply
    85,795.62x = 118,295.01 × 73,838.40
  4. Step 4: Simplify right side
    85,795.62x = 8,734,714,266.38
  5. Step 5: Solve for x
    x = 8,734,714,266.38/85,795.62
  6. Step 6: Final answer
    x = 101,808.39

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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.