Home / 75,981.64-113,870.58-59,135.00

Finding the Fourth Proportional to 75,981.64, 113,870.58 and 59,135.00

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Solution

The fourth proportional to 75,981.64, 113,870.58 and 59,135.00 is: 88,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,981.64 : 113,870.58 = 59,135.00 : x
  2. Step 2: Convert to fraction form
    75,981.64/113,870.58 = 59,135.00/x
  3. Step 3: Cross multiply
    75,981.64x = 113,870.58 × 59,135.00
  4. Step 4: Simplify right side
    75,981.64x = 6,733,736,289.83
  5. Step 5: Solve for x
    x = 6,733,736,289.83/75,981.64
  6. Step 6: Final answer
    x = 88,623.20

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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.