Home / 103,623.60-155,448.12-37,070.76

Finding the Fourth Proportional to 103,623.60, 155,448.12 and 37,070.76

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Solution

The fourth proportional to 103,623.60, 155,448.12 and 37,070.76 is: 55,610.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,623.60 : 155,448.12 = 37,070.76 : x
  2. Step 2: Convert to fraction form
    103,623.60/155,448.12 = 37,070.76/x
  3. Step 3: Cross multiply
    103,623.60x = 155,448.12 × 37,070.76
  4. Step 4: Simplify right side
    103,623.60x = 5,762,579,948.97
  5. Step 5: Solve for x
    x = 5,762,579,948.97/103,623.60
  6. Step 6: Final answer
    x = 55,610.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.