Home / 88,368.36-132,188.04-56,729.76

Finding the Fourth Proportional to 88,368.36, 132,188.04 and 56,729.76

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Solution

The fourth proportional to 88,368.36, 132,188.04 and 56,729.76 is: 84,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,368.36 : 132,188.04 = 56,729.76 : x
  2. Step 2: Convert to fraction form
    88,368.36/132,188.04 = 56,729.76/x
  3. Step 3: Cross multiply
    88,368.36x = 132,188.04 × 56,729.76
  4. Step 4: Simplify right side
    88,368.36x = 7,498,995,784.07
  5. Step 5: Solve for x
    x = 7,498,995,784.07/88,368.36
  6. Step 6: Final answer
    x = 84,860.64

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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.