Home / 51,877.52-77,840.88-30,859.00

Finding the Fourth Proportional to 51,877.52, 77,840.88 and 30,859.00

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Solution

The fourth proportional to 51,877.52, 77,840.88 and 30,859.00 is: 46,303.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,877.52 : 77,840.88 = 30,859.00 : x
  2. Step 2: Convert to fraction form
    51,877.52/77,840.88 = 30,859.00/x
  3. Step 3: Cross multiply
    51,877.52x = 77,840.88 × 30,859.00
  4. Step 4: Simplify right side
    51,877.52x = 2,402,091,584.36
  5. Step 5: Solve for x
    x = 2,402,091,584.36/51,877.52
  6. Step 6: Final answer
    x = 46,303.13

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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.