Home / 76,785.57-105,966.23-44,955.81

Finding the Fourth Proportional to 76,785.57, 105,966.23 and 44,955.81

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Solution

The fourth proportional to 76,785.57, 105,966.23 and 44,955.81 is: 62,040.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,785.57 : 105,966.23 = 44,955.81 : x
  2. Step 2: Convert to fraction form
    76,785.57/105,966.23 = 44,955.81/x
  3. Step 3: Cross multiply
    76,785.57x = 105,966.23 × 44,955.81
  4. Step 4: Simplify right side
    76,785.57x = 4,763,797,477.52
  5. Step 5: Solve for x
    x = 4,763,797,477.52/76,785.57
  6. Step 6: Final answer
    x = 62,040.27

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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.