Home / 93,990.09-129,694.37-53,706.46

Finding the Fourth Proportional to 93,990.09, 129,694.37 and 53,706.46

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Solution

The fourth proportional to 93,990.09, 129,694.37 and 53,706.46 is: 74,108.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,990.09 : 129,694.37 = 53,706.46 : x
  2. Step 2: Convert to fraction form
    93,990.09/129,694.37 = 53,706.46/x
  3. Step 3: Cross multiply
    93,990.09x = 129,694.37 × 53,706.46
  4. Step 4: Simplify right side
    93,990.09x = 6,965,425,494.63
  5. Step 5: Solve for x
    x = 6,965,425,494.63/93,990.09
  6. Step 6: Final answer
    x = 74,108.08

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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.