Home / 74,904.78-112,364.68-21,598.08

Finding the Fourth Proportional to 74,904.78, 112,364.68 and 21,598.08

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Solution

The fourth proportional to 74,904.78, 112,364.68 and 21,598.08 is: 32,399.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,904.78 : 112,364.68 = 21,598.08 : x
  2. Step 2: Convert to fraction form
    74,904.78/112,364.68 = 21,598.08/x
  3. Step 3: Cross multiply
    74,904.78x = 112,364.68 × 21,598.08
  4. Step 4: Simplify right side
    74,904.78x = 2,426,861,347.81
  5. Step 5: Solve for x
    x = 2,426,861,347.81/74,904.78
  6. Step 6: Final answer
    x = 32,399.29

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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.