Home / 85,755.06-118,341.81-48,028.50

Finding the Fourth Proportional to 85,755.06, 118,341.81 and 48,028.50

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Solution

The fourth proportional to 85,755.06, 118,341.81 and 48,028.50 is: 66,279.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,755.06 : 118,341.81 = 48,028.50 : x
  2. Step 2: Convert to fraction form
    85,755.06/118,341.81 = 48,028.50/x
  3. Step 3: Cross multiply
    85,755.06x = 118,341.81 × 48,028.50
  4. Step 4: Simplify right side
    85,755.06x = 5,683,779,621.59
  5. Step 5: Solve for x
    x = 5,683,779,621.59/85,755.06
  6. Step 6: Final answer
    x = 66,279.23

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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.