Home / 105,355.04-145,378.04-62,335.83

Finding the Fourth Proportional to 105,355.04, 145,378.04 and 62,335.83

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Solution

The fourth proportional to 105,355.04, 145,378.04 and 62,335.83 is: 86,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,355.04 : 145,378.04 = 62,335.83 : x
  2. Step 2: Convert to fraction form
    105,355.04/145,378.04 = 62,335.83/x
  3. Step 3: Cross multiply
    105,355.04x = 145,378.04 × 62,335.83
  4. Step 4: Simplify right side
    105,355.04x = 9,062,260,475.49
  5. Step 5: Solve for x
    x = 9,062,260,475.49/105,355.04
  6. Step 6: Final answer
    x = 86,016.40

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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.