Home / 85,945.68-118,603.20-47,703.00

Finding the Fourth Proportional to 85,945.68, 118,603.20 and 47,703.00

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Solution

The fourth proportional to 85,945.68, 118,603.20 and 47,703.00 is: 65,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,945.68 : 118,603.20 = 47,703.00 : x
  2. Step 2: Convert to fraction form
    85,945.68/118,603.20 = 47,703.00/x
  3. Step 3: Cross multiply
    85,945.68x = 118,603.20 × 47,703.00
  4. Step 4: Simplify right side
    85,945.68x = 5,657,727,825.95
  5. Step 5: Solve for x
    x = 5,657,727,825.95/85,945.68
  6. Step 6: Final answer
    x = 65,829.11

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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.