Home / 59,160.66-81,728.08-51,189.06

Finding the Fourth Proportional to 59,160.66, 81,728.08 and 51,189.06

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Solution

The fourth proportional to 59,160.66, 81,728.08 and 51,189.06 is: 70,715.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,160.66 : 81,728.08 = 51,189.06 : x
  2. Step 2: Convert to fraction form
    59,160.66/81,728.08 = 51,189.06/x
  3. Step 3: Cross multiply
    59,160.66x = 81,728.08 × 51,189.06
  4. Step 4: Simplify right side
    59,160.66x = 4,183,583,590.80
  5. Step 5: Solve for x
    x = 4,183,583,590.80/59,160.66
  6. Step 6: Final answer
    x = 70,715.63

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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.