Home / 103,629.67-155,444.54-37,065.76

Finding the Fourth Proportional to 103,629.67, 155,444.54 and 37,065.76

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Solution

The fourth proportional to 103,629.67, 155,444.54 and 37,065.76 is: 55,598.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,629.67 : 155,444.54 = 37,065.76 : x
  2. Step 2: Convert to fraction form
    103,629.67/155,444.54 = 37,065.76/x
  3. Step 3: Cross multiply
    103,629.67x = 155,444.54 × 37,065.76
  4. Step 4: Simplify right side
    103,629.67x = 5,761,670,012.95
  5. Step 5: Solve for x
    x = 5,761,670,012.95/103,629.67
  6. Step 6: Final answer
    x = 55,598.65

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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.