Home / 117,148.08-175,501.68-57,914.40

Finding the Fourth Proportional to 117,148.08, 175,501.68 and 57,914.40

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Solution

The fourth proportional to 117,148.08, 175,501.68 and 57,914.40 is: 86,762.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,148.08 : 175,501.68 = 57,914.40 : x
  2. Step 2: Convert to fraction form
    117,148.08/175,501.68 = 57,914.40/x
  3. Step 3: Cross multiply
    117,148.08x = 175,501.68 × 57,914.40
  4. Step 4: Simplify right side
    117,148.08x = 10,164,074,496.19
  5. Step 5: Solve for x
    x = 10,164,074,496.19/117,148.08
  6. Step 6: Final answer
    x = 86,762.62

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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.