Home / 75,128.04-103,669.02-44,907.48

Finding the Fourth Proportional to 75,128.04, 103,669.02 and 44,907.48

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Solution

The fourth proportional to 75,128.04, 103,669.02 and 44,907.48 is: 61,967.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,128.04 : 103,669.02 = 44,907.48 : x
  2. Step 2: Convert to fraction form
    75,128.04/103,669.02 = 44,907.48/x
  3. Step 3: Cross multiply
    75,128.04x = 103,669.02 × 44,907.48
  4. Step 4: Simplify right side
    75,128.04x = 4,655,514,442.27
  5. Step 5: Solve for x
    x = 4,655,514,442.27/75,128.04
  6. Step 6: Final answer
    x = 61,967.73

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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.