Home / 103,646.24-155,431.20-37,068.32

Finding the Fourth Proportional to 103,646.24, 155,431.20 and 37,068.32

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Solution

The fourth proportional to 103,646.24, 155,431.20 and 37,068.32 is: 55,588.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,646.24 : 155,431.20 = 37,068.32 : x
  2. Step 2: Convert to fraction form
    103,646.24/155,431.20 = 37,068.32/x
  3. Step 3: Cross multiply
    103,646.24x = 155,431.20 × 37,068.32
  4. Step 4: Simplify right side
    103,646.24x = 5,761,573,459.58
  5. Step 5: Solve for x
    x = 5,761,573,459.58/103,646.24
  6. Step 6: Final answer
    x = 55,588.83

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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.