Home / 45,713.52-68,518.23-28,624.40

Finding the Fourth Proportional to 45,713.52, 68,518.23 and 28,624.40

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Solution

The fourth proportional to 45,713.52, 68,518.23 and 28,624.40 is: 42,904.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,713.52 : 68,518.23 = 28,624.40 : x
  2. Step 2: Convert to fraction form
    45,713.52/68,518.23 = 28,624.40/x
  3. Step 3: Cross multiply
    45,713.52x = 68,518.23 × 28,624.40
  4. Step 4: Simplify right side
    45,713.52x = 1,961,292,880.22
  5. Step 5: Solve for x
    x = 1,961,292,880.22/45,713.52
  6. Step 6: Final answer
    x = 42,904.00

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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.