Home / 77,802.12-116,629.37-38,313.10

Finding the Fourth Proportional to 77,802.12, 116,629.37 and 38,313.10

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Solution

The fourth proportional to 77,802.12, 116,629.37 and 38,313.10 is: 57,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,802.12 : 116,629.37 = 38,313.10 : x
  2. Step 2: Convert to fraction form
    77,802.12/116,629.37 = 38,313.10/x
  3. Step 3: Cross multiply
    77,802.12x = 116,629.37 × 38,313.10
  4. Step 4: Simplify right side
    77,802.12x = 4,468,432,813.64
  5. Step 5: Solve for x
    x = 4,468,432,813.64/77,802.12
  6. Step 6: Final answer
    x = 57,433.30

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1.5x scale

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.