Home / 51,840.08-77,801.64-26,887.28

Finding the Fourth Proportional to 51,840.08, 77,801.64 and 26,887.28

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Solution

The fourth proportional to 51,840.08, 77,801.64 and 26,887.28 is: 40,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,840.08 : 77,801.64 = 26,887.28 : x
  2. Step 2: Convert to fraction form
    51,840.08/77,801.64 = 26,887.28/x
  3. Step 3: Cross multiply
    51,840.08x = 77,801.64 × 26,887.28
  4. Step 4: Simplify right side
    51,840.08x = 2,091,874,479.14
  5. Step 5: Solve for x
    x = 2,091,874,479.14/51,840.08
  6. Step 6: Final answer
    x = 40,352.45

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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.