Home / 93,270.48-128,621.81-59,219.85

Finding the Fourth Proportional to 93,270.48, 128,621.81 and 59,219.85

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Solution

The fourth proportional to 93,270.48, 128,621.81 and 59,219.85 is: 81,665.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,270.48 : 128,621.81 = 59,219.85 : x
  2. Step 2: Convert to fraction form
    93,270.48/128,621.81 = 59,219.85/x
  3. Step 3: Cross multiply
    93,270.48x = 128,621.81 × 59,219.85
  4. Step 4: Simplify right side
    93,270.48x = 7,616,964,294.93
  5. Step 5: Solve for x
    x = 7,616,964,294.93/93,270.48
  6. Step 6: Final answer
    x = 81,665.33

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1.5x scale

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.