Home / 85,945.90-118,603.50-47,703.22

Finding the Fourth Proportional to 85,945.90, 118,603.50 and 47,703.22

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Solution

The fourth proportional to 85,945.90, 118,603.50 and 47,703.22 is: 65,829.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,945.90 : 118,603.50 = 47,703.22 : x
  2. Step 2: Convert to fraction form
    85,945.90/118,603.50 = 47,703.22/x
  3. Step 3: Cross multiply
    85,945.90x = 118,603.50 × 47,703.22
  4. Step 4: Simplify right side
    85,945.90x = 5,657,768,853.27
  5. Step 5: Solve for x
    x = 5,657,768,853.27/85,945.90
  6. Step 6: Final answer
    x = 65,829.42

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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.