Home / 75,140.16-103,663.38-44,914.32

Finding the Fourth Proportional to 75,140.16, 103,663.38 and 44,914.32

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Solution

The fourth proportional to 75,140.16, 103,663.38 and 44,914.32 is: 61,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,140.16 : 103,663.38 = 44,914.32 : x
  2. Step 2: Convert to fraction form
    75,140.16/103,663.38 = 44,914.32/x
  3. Step 3: Cross multiply
    75,140.16x = 103,663.38 × 44,914.32
  4. Step 4: Simplify right side
    75,140.16x = 4,655,970,221.60
  5. Step 5: Solve for x
    x = 4,655,970,221.60/75,140.16
  6. Step 6: Final answer
    x = 61,963.80

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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.