Home / 124,316.67-171,552.43-75,999.57

Finding the Fourth Proportional to 124,316.67, 171,552.43 and 75,999.57

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Solution

The fourth proportional to 124,316.67, 171,552.43 and 75,999.57 is: 104,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,316.67 : 171,552.43 = 75,999.57 : x
  2. Step 2: Convert to fraction form
    124,316.67/171,552.43 = 75,999.57/x
  3. Step 3: Cross multiply
    124,316.67x = 171,552.43 × 75,999.57
  4. Step 4: Simplify right side
    124,316.67x = 13,037,910,364.13
  5. Step 5: Solve for x
    x = 13,037,910,364.13/124,316.67
  6. Step 6: Final answer
    x = 104,876.60

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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.