Home / 49,985.91-74,967.93-14,928.30

Finding the Fourth Proportional to 49,985.91, 74,967.93 and 14,928.30

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Solution

The fourth proportional to 49,985.91, 74,967.93 and 14,928.30 is: 22,389.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,985.91 : 74,967.93 = 14,928.30 : x
  2. Step 2: Convert to fraction form
    49,985.91/74,967.93 = 14,928.30/x
  3. Step 3: Cross multiply
    49,985.91x = 74,967.93 × 14,928.30
  4. Step 4: Simplify right side
    49,985.91x = 1,119,143,749.42
  5. Step 5: Solve for x
    x = 1,119,143,749.42/49,985.91
  6. Step 6: Final answer
    x = 22,389.18

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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.