Home / 105,582.88-145,703.04-57,833.36

Finding the Fourth Proportional to 105,582.88, 145,703.04 and 57,833.36

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Solution

The fourth proportional to 105,582.88, 145,703.04 and 57,833.36 is: 79,809.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,582.88 : 145,703.04 = 57,833.36 : x
  2. Step 2: Convert to fraction form
    105,582.88/145,703.04 = 57,833.36/x
  3. Step 3: Cross multiply
    105,582.88x = 145,703.04 × 57,833.36
  4. Step 4: Simplify right side
    105,582.88x = 8,426,496,365.41
  5. Step 5: Solve for x
    x = 8,426,496,365.41/105,582.88
  6. Step 6: Final answer
    x = 79,809.31

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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.