Home / 106,648.48-160,018.80-59,831.20

Finding the Fourth Proportional to 106,648.48, 160,018.80 and 59,831.20

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Solution

The fourth proportional to 106,648.48, 160,018.80 and 59,831.20 is: 89,772.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,648.48 : 160,018.80 = 59,831.20 : x
  2. Step 2: Convert to fraction form
    106,648.48/160,018.80 = 59,831.20/x
  3. Step 3: Cross multiply
    106,648.48x = 160,018.80 × 59,831.20
  4. Step 4: Simplify right side
    106,648.48x = 9,574,116,826.56
  5. Step 5: Solve for x
    x = 9,574,116,826.56/106,648.48
  6. Step 6: Final answer
    x = 89,772.65

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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.