Home / 85,755.51-118,343.16-48,029.76

Finding the Fourth Proportional to 85,755.51, 118,343.16 and 48,029.76

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Solution

The fourth proportional to 85,755.51, 118,343.16 and 48,029.76 is: 66,281.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,755.51 : 118,343.16 = 48,029.76 : x
  2. Step 2: Convert to fraction form
    85,755.51/118,343.16 = 48,029.76/x
  3. Step 3: Cross multiply
    85,755.51x = 118,343.16 × 48,029.76
  4. Step 4: Simplify right side
    85,755.51x = 5,683,993,572.44
  5. Step 5: Solve for x
    x = 5,683,993,572.44/85,755.51
  6. Step 6: Final answer
    x = 66,281.38

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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.