Home / 105,578.04-145,697.70-57,833.10

Finding the Fourth Proportional to 105,578.04, 145,697.70 and 57,833.10

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Solution

The fourth proportional to 105,578.04, 145,697.70 and 57,833.10 is: 79,809.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,578.04 : 145,697.70 = 57,833.10 : x
  2. Step 2: Convert to fraction form
    105,578.04/145,697.70 = 57,833.10/x
  3. Step 3: Cross multiply
    105,578.04x = 145,697.70 × 57,833.10
  4. Step 4: Simplify right side
    105,578.04x = 8,426,149,653.87
  5. Step 5: Solve for x
    x = 8,426,149,653.87/105,578.04
  6. Step 6: Final answer
    x = 79,809.68

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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.