Home / 109,970.24-151,780.80-62,223.68

Finding the Fourth Proportional to 109,970.24, 151,780.80 and 62,223.68

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Solution

The fourth proportional to 109,970.24, 151,780.80 and 62,223.68 is: 85,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,970.24 : 151,780.80 = 62,223.68 : x
  2. Step 2: Convert to fraction form
    109,970.24/151,780.80 = 62,223.68/x
  3. Step 3: Cross multiply
    109,970.24x = 151,780.80 × 62,223.68
  4. Step 4: Simplify right side
    109,970.24x = 9,444,359,929.34
  5. Step 5: Solve for x
    x = 9,444,359,929.34/109,970.24
  6. Step 6: Final answer
    x = 85,881.05

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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.