Home / 74,822.87-103,256.17-40,831.63

Finding the Fourth Proportional to 74,822.87, 103,256.17 and 40,831.63

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Solution

The fourth proportional to 74,822.87, 103,256.17 and 40,831.63 is: 56,347.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,822.87 : 103,256.17 = 40,831.63 : x
  2. Step 2: Convert to fraction form
    74,822.87/103,256.17 = 40,831.63/x
  3. Step 3: Cross multiply
    74,822.87x = 103,256.17 × 40,831.63
  4. Step 4: Simplify right side
    74,822.87x = 4,216,117,368.44
  5. Step 5: Solve for x
    x = 4,216,117,368.44/74,822.87
  6. Step 6: Final answer
    x = 56,347.98

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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.