Home / 80,848.89-111,574.92-45,038.93

Finding the Fourth Proportional to 80,848.89, 111,574.92 and 45,038.93

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Solution

The fourth proportional to 80,848.89, 111,574.92 and 45,038.93 is: 62,155.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,848.89 : 111,574.92 = 45,038.93 : x
  2. Step 2: Convert to fraction form
    80,848.89/111,574.92 = 45,038.93/x
  3. Step 3: Cross multiply
    80,848.89x = 111,574.92 × 45,038.93
  4. Step 4: Simplify right side
    80,848.89x = 5,025,214,453.76
  5. Step 5: Solve for x
    x = 5,025,214,453.76/80,848.89
  6. Step 6: Final answer
    x = 62,155.64

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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.