Home / 107,831.04-148,809.96-62,509.20

Finding the Fourth Proportional to 107,831.04, 148,809.96 and 62,509.20

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Solution

The fourth proportional to 107,831.04, 148,809.96 and 62,509.20 is: 86,264.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,831.04 : 148,809.96 = 62,509.20 : x
  2. Step 2: Convert to fraction form
    107,831.04/148,809.96 = 62,509.20/x
  3. Step 3: Cross multiply
    107,831.04x = 148,809.96 × 62,509.20
  4. Step 4: Simplify right side
    107,831.04x = 9,301,991,551.63
  5. Step 5: Solve for x
    x = 9,301,991,551.63/107,831.04
  6. Step 6: Final answer
    x = 86,264.51

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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.