Home / 75,126.16-103,666.92-44,905.48

Finding the Fourth Proportional to 75,126.16, 103,666.92 and 44,905.48

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Solution

The fourth proportional to 75,126.16, 103,666.92 and 44,905.48 is: 61,965.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,126.16 : 103,666.92 = 44,905.48 : x
  2. Step 2: Convert to fraction form
    75,126.16/103,666.92 = 44,905.48/x
  3. Step 3: Cross multiply
    75,126.16x = 103,666.92 × 44,905.48
  4. Step 4: Simplify right side
    75,126.16x = 4,655,212,802.72
  5. Step 5: Solve for x
    x = 4,655,212,802.72/75,126.16
  6. Step 6: Final answer
    x = 61,965.27

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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.