Home / 74,831.26-103,269.55-42,565.05

Finding the Fourth Proportional to 74,831.26, 103,269.55 and 42,565.05

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Solution

The fourth proportional to 74,831.26, 103,269.55 and 42,565.05 is: 58,741.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,831.26 : 103,269.55 = 42,565.05 : x
  2. Step 2: Convert to fraction form
    74,831.26/103,269.55 = 42,565.05/x
  3. Step 3: Cross multiply
    74,831.26x = 103,269.55 × 42,565.05
  4. Step 4: Simplify right side
    74,831.26x = 4,395,673,559.23
  5. Step 5: Solve for x
    x = 4,395,673,559.23/74,831.26
  6. Step 6: Final answer
    x = 58,741.14

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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.