Home / 103,615.27-142,983.23-58,295.16

Finding the Fourth Proportional to 103,615.27, 142,983.23 and 58,295.16

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Solution

The fourth proportional to 103,615.27, 142,983.23 and 58,295.16 is: 80,444.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,615.27 : 142,983.23 = 58,295.16 : x
  2. Step 2: Convert to fraction form
    103,615.27/142,983.23 = 58,295.16/x
  3. Step 3: Cross multiply
    103,615.27x = 142,983.23 × 58,295.16
  4. Step 4: Simplify right side
    103,615.27x = 8,335,229,978.69
  5. Step 5: Solve for x
    x = 8,335,229,978.69/103,615.27
  6. Step 6: Final answer
    x = 80,444.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.