Home / 93,962-129,728.04-83,873.18

Finding the Fourth Proportional to 93,962, 129,728.04 and 83,873.18

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Solution

The fourth proportional to 93,962, 129,728.04 and 83,873.18 is: 115,798.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,962 : 129,728.04 = 83,873.18 : x
  2. Step 2: Convert to fraction form
    93,962/129,728.04 = 83,873.18/x
  3. Step 3: Cross multiply
    93,962x = 129,728.04 × 83,873.18
  4. Step 4: Simplify right side
    93,962x = 10,880,703,249.97
  5. Step 5: Solve for x
    x = 10,880,703,249.97/93,962
  6. Step 6: Final answer
    x = 115,798.97

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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.