Home / 85,751.42-118,341.19-51,759.37

Finding the Fourth Proportional to 85,751.42, 118,341.19 and 51,759.37

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Solution

The fourth proportional to 85,751.42, 118,341.19 and 51,759.37 is: 71,430.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,751.42 : 118,341.19 = 51,759.37 : x
  2. Step 2: Convert to fraction form
    85,751.42/118,341.19 = 51,759.37/x
  3. Step 3: Cross multiply
    85,751.42x = 118,341.19 × 51,759.37
  4. Step 4: Simplify right side
    85,751.42x = 6,125,264,588.95
  5. Step 5: Solve for x
    x = 6,125,264,588.95/85,751.42
  6. Step 6: Final answer
    x = 71,430.47

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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.