Home / 93,019.40-128,365.26-50,579

Finding the Fourth Proportional to 93,019.40, 128,365.26 and 50,579

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Solution

The fourth proportional to 93,019.40, 128,365.26 and 50,579 is: 69,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,019.40 : 128,365.26 = 50,579 : x
  2. Step 2: Convert to fraction form
    93,019.40/128,365.26 = 50,579/x
  3. Step 3: Cross multiply
    93,019.40x = 128,365.26 × 50,579
  4. Step 4: Simplify right side
    93,019.40x = 6,492,586,485.54
  5. Step 5: Solve for x
    x = 6,492,586,485.54/93,019.40
  6. Step 6: Final answer
    x = 69,798.20

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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.