Home / 58,070.57-80,161.79-49,164.21

Finding the Fourth Proportional to 58,070.57, 80,161.79 and 49,164.21

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Solution

The fourth proportional to 58,070.57, 80,161.79 and 49,164.21 is: 67,867.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,070.57 : 80,161.79 = 49,164.21 : x
  2. Step 2: Convert to fraction form
    58,070.57/80,161.79 = 49,164.21/x
  3. Step 3: Cross multiply
    58,070.57x = 80,161.79 × 49,164.21
  4. Step 4: Simplify right side
    58,070.57x = 3,941,090,831.71
  5. Step 5: Solve for x
    x = 3,941,090,831.71/58,070.57
  6. Step 6: Final answer
    x = 67,867.27

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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.