Home / 93,288.26-128,636.17-63,021.06

Finding the Fourth Proportional to 93,288.26, 128,636.17 and 63,021.06

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Solution

The fourth proportional to 93,288.26, 128,636.17 and 63,021.06 is: 86,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,288.26 : 128,636.17 = 63,021.06 : x
  2. Step 2: Convert to fraction form
    93,288.26/128,636.17 = 63,021.06/x
  3. Step 3: Cross multiply
    93,288.26x = 128,636.17 × 63,021.06
  4. Step 4: Simplify right side
    93,288.26x = 8,106,787,630.19
  5. Step 5: Solve for x
    x = 8,106,787,630.19/93,288.26
  6. Step 6: Final answer
    x = 86,900.40

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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.