Home / 74,831.46-103,269.84-42,565.23

Finding the Fourth Proportional to 74,831.46, 103,269.84 and 42,565.23

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Solution

The fourth proportional to 74,831.46, 103,269.84 and 42,565.23 is: 58,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,831.46 : 103,269.84 = 42,565.23 : x
  2. Step 2: Convert to fraction form
    74,831.46/103,269.84 = 42,565.23/x
  3. Step 3: Cross multiply
    74,831.46x = 103,269.84 × 42,565.23
  4. Step 4: Simplify right side
    74,831.46x = 4,395,704,491.66
  5. Step 5: Solve for x
    x = 4,395,704,491.66/74,831.46
  6. Step 6: Final answer
    x = 58,741.40

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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.