Home / 58,742.18-88,128.27-19,299.63

Finding the Fourth Proportional to 58,742.18, 88,128.27 and 19,299.63

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Solution

The fourth proportional to 58,742.18, 88,128.27 and 19,299.63 is: 28,954.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,742.18 : 88,128.27 = 19,299.63 : x
  2. Step 2: Convert to fraction form
    58,742.18/88,128.27 = 19,299.63/x
  3. Step 3: Cross multiply
    58,742.18x = 88,128.27 × 19,299.63
  4. Step 4: Simplify right side
    58,742.18x = 1,700,843,003.54
  5. Step 5: Solve for x
    x = 1,700,843,003.54/58,742.18
  6. Step 6: Final answer
    x = 28,954.38

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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.