Home / 74,999.52-112,543.02-28,256.04

Finding the Fourth Proportional to 74,999.52, 112,543.02 and 28,256.04

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Solution

The fourth proportional to 74,999.52, 112,543.02 and 28,256.04 is: 42,400.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,999.52 : 112,543.02 = 28,256.04 : x
  2. Step 2: Convert to fraction form
    74,999.52/112,543.02 = 28,256.04/x
  3. Step 3: Cross multiply
    74,999.52x = 112,543.02 × 28,256.04
  4. Step 4: Simplify right side
    74,999.52x = 3,180,020,074.84
  5. Step 5: Solve for x
    x = 3,180,020,074.84/74,999.52
  6. Step 6: Final answer
    x = 42,400.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.