Home / 85,683.44-118,299.48-52,206.32

Finding the Fourth Proportional to 85,683.44, 118,299.48 and 52,206.32

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Solution

The fourth proportional to 85,683.44, 118,299.48 and 52,206.32 is: 72,079.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,683.44 : 118,299.48 = 52,206.32 : x
  2. Step 2: Convert to fraction form
    85,683.44/118,299.48 = 52,206.32/x
  3. Step 3: Cross multiply
    85,683.44x = 118,299.48 × 52,206.32
  4. Step 4: Simplify right side
    85,683.44x = 6,175,980,508.71
  5. Step 5: Solve for x
    x = 6,175,980,508.71/85,683.44
  6. Step 6: Final answer
    x = 72,079.04

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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.