Home / 105,778.24-145,966.56-58,030.48

Finding the Fourth Proportional to 105,778.24, 145,966.56 and 58,030.48

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Solution

The fourth proportional to 105,778.24, 145,966.56 and 58,030.48 is: 80,078.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,778.24 : 145,966.56 = 58,030.48 : x
  2. Step 2: Convert to fraction form
    105,778.24/145,966.56 = 58,030.48/x
  3. Step 3: Cross multiply
    105,778.24x = 145,966.56 × 58,030.48
  4. Step 4: Simplify right side
    105,778.24x = 8,470,509,540.75
  5. Step 5: Solve for x
    x = 8,470,509,540.75/105,778.24
  6. Step 6: Final answer
    x = 80,078.00

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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.