Home / 105,582.08-145,699.34-57,835.82

Finding the Fourth Proportional to 105,582.08, 145,699.34 and 57,835.82

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Solution

The fourth proportional to 105,582.08, 145,699.34 and 57,835.82 is: 79,811.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,582.08 : 145,699.34 = 57,835.82 : x
  2. Step 2: Convert to fraction form
    105,582.08/145,699.34 = 57,835.82/x
  3. Step 3: Cross multiply
    105,582.08x = 145,699.34 × 57,835.82
  4. Step 4: Simplify right side
    105,582.08x = 8,426,640,802.36
  5. Step 5: Solve for x
    x = 8,426,640,802.36/105,582.08
  6. Step 6: Final answer
    x = 79,811.28

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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.