Home / 74,823.48-103,253.18-40,831.11

Finding the Fourth Proportional to 74,823.48, 103,253.18 and 40,831.11

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Solution

The fourth proportional to 74,823.48, 103,253.18 and 40,831.11 is: 56,345.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,823.48 : 103,253.18 = 40,831.11 : x
  2. Step 2: Convert to fraction form
    74,823.48/103,253.18 = 40,831.11/x
  3. Step 3: Cross multiply
    74,823.48x = 103,253.18 × 40,831.11
  4. Step 4: Simplify right side
    74,823.48x = 4,215,941,746.27
  5. Step 5: Solve for x
    x = 4,215,941,746.27/74,823.48
  6. Step 6: Final answer
    x = 56,345.17

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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.