Home / 58,074.13-87,090.28-20,113.12

Finding the Fourth Proportional to 58,074.13, 87,090.28 and 20,113.12

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Solution

The fourth proportional to 58,074.13, 87,090.28 and 20,113.12 is: 30,162.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,074.13 : 87,090.28 = 20,113.12 : x
  2. Step 2: Convert to fraction form
    58,074.13/87,090.28 = 20,113.12/x
  3. Step 3: Cross multiply
    58,074.13x = 87,090.28 × 20,113.12
  4. Step 4: Simplify right side
    58,074.13x = 1,751,657,252.47
  5. Step 5: Solve for x
    x = 1,751,657,252.47/58,074.13
  6. Step 6: Final answer
    x = 30,162.44

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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.