Home / 106,780.24-147,354.56-59,035.60

Finding the Fourth Proportional to 106,780.24, 147,354.56 and 59,035.60

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Solution

The fourth proportional to 106,780.24, 147,354.56 and 59,035.60 is: 81,467.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,780.24 : 147,354.56 = 59,035.60 : x
  2. Step 2: Convert to fraction form
    106,780.24/147,354.56 = 59,035.60/x
  3. Step 3: Cross multiply
    106,780.24x = 147,354.56 × 59,035.60
  4. Step 4: Simplify right side
    106,780.24x = 8,699,164,862.34
  5. Step 5: Solve for x
    x = 8,699,164,862.34/106,780.24
  6. Step 6: Final answer
    x = 81,467.93

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1.5x scale

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.