Home / 85,945.38-118,603.20-47,704.86

Finding the Fourth Proportional to 85,945.38, 118,603.20 and 47,704.86

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Solution

The fourth proportional to 85,945.38, 118,603.20 and 47,704.86 is: 65,831.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,945.38 : 118,603.20 = 47,704.86 : x
  2. Step 2: Convert to fraction form
    85,945.38/118,603.20 = 47,704.86/x
  3. Step 3: Cross multiply
    85,945.38x = 118,603.20 × 47,704.86
  4. Step 4: Simplify right side
    85,945.38x = 5,657,949,051.55
  5. Step 5: Solve for x
    x = 5,657,949,051.55/85,945.38
  6. Step 6: Final answer
    x = 65,831.92

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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.