Home / 85,571.18-118,077.95-47,325.53

Finding the Fourth Proportional to 85,571.18, 118,077.95 and 47,325.53

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Solution

The fourth proportional to 85,571.18, 118,077.95 and 47,325.53 is: 65,303.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,571.18 : 118,077.95 = 47,325.53 : x
  2. Step 2: Convert to fraction form
    85,571.18/118,077.95 = 47,325.53/x
  3. Step 3: Cross multiply
    85,571.18x = 118,077.95 × 47,325.53
  4. Step 4: Simplify right side
    85,571.18x = 5,588,100,738.05
  5. Step 5: Solve for x
    x = 5,588,100,738.05/85,571.18
  6. Step 6: Final answer
    x = 65,303.54

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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.