Home / 52,329.12-78,322.08-28,600.32

Finding the Fourth Proportional to 52,329.12, 78,322.08 and 28,600.32

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Solution

The fourth proportional to 52,329.12, 78,322.08 and 28,600.32 is: 42,806.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,329.12 : 78,322.08 = 28,600.32 : x
  2. Step 2: Convert to fraction form
    52,329.12/78,322.08 = 28,600.32/x
  3. Step 3: Cross multiply
    52,329.12x = 78,322.08 × 28,600.32
  4. Step 4: Simplify right side
    52,329.12x = 2,240,036,551.07
  5. Step 5: Solve for x
    x = 2,240,036,551.07/52,329.12
  6. Step 6: Final answer
    x = 42,806.69

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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.