Home / 52,521.68-72,492.36-30,178.64

Finding the Fourth Proportional to 52,521.68, 72,492.36 and 30,178.64

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Solution

The fourth proportional to 52,521.68, 72,492.36 and 30,178.64 is: 41,653.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,521.68 : 72,492.36 = 30,178.64 : x
  2. Step 2: Convert to fraction form
    52,521.68/72,492.36 = 30,178.64/x
  3. Step 3: Cross multiply
    52,521.68x = 72,492.36 × 30,178.64
  4. Step 4: Simplify right side
    52,521.68x = 2,187,720,835.19
  5. Step 5: Solve for x
    x = 2,187,720,835.19/52,521.68
  6. Step 6: Final answer
    x = 41,653.67

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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.