Home / 85,557.47-118,100.57-51,567.17

Finding the Fourth Proportional to 85,557.47, 118,100.57 and 51,567.17

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Solution

The fourth proportional to 85,557.47, 118,100.57 and 51,567.17 is: 71,181.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,557.47 : 118,100.57 = 51,567.17 : x
  2. Step 2: Convert to fraction form
    85,557.47/118,100.57 = 51,567.17/x
  3. Step 3: Cross multiply
    85,557.47x = 118,100.57 × 51,567.17
  4. Step 4: Simplify right side
    85,557.47x = 6,090,111,321.95
  5. Step 5: Solve for x
    x = 6,090,111,321.95/85,557.47
  6. Step 6: Final answer
    x = 71,181.53

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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.