Home / 55,831.18-83,678.64-26,209.48

Finding the Fourth Proportional to 55,831.18, 83,678.64 and 26,209.48

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Solution

The fourth proportional to 55,831.18, 83,678.64 and 26,209.48 is: 39,282.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,831.18 : 83,678.64 = 26,209.48 : x
  2. Step 2: Convert to fraction form
    55,831.18/83,678.64 = 26,209.48/x
  3. Step 3: Cross multiply
    55,831.18x = 83,678.64 × 26,209.48
  4. Step 4: Simplify right side
    55,831.18x = 2,193,173,641.51
  5. Step 5: Solve for x
    x = 2,193,173,641.51/55,831.18
  6. Step 6: Final answer
    x = 39,282.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.