Home / 91,182.58-136,772.45-46,783.71

Finding the Fourth Proportional to 91,182.58, 136,772.45 and 46,783.71

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Solution

The fourth proportional to 91,182.58, 136,772.45 and 46,783.71 is: 70,174.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,182.58 : 136,772.45 = 46,783.71 : x
  2. Step 2: Convert to fraction form
    91,182.58/136,772.45 = 46,783.71/x
  3. Step 3: Cross multiply
    91,182.58x = 136,772.45 × 46,783.71
  4. Step 4: Simplify right side
    91,182.58x = 6,398,722,636.79
  5. Step 5: Solve for x
    x = 6,398,722,636.79/91,182.58
  6. Step 6: Final answer
    x = 70,174.84

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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.