Home / 116,698.50-161,073.09-66,426.66

Finding the Fourth Proportional to 116,698.50, 161,073.09 and 66,426.66

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Solution

The fourth proportional to 116,698.50, 161,073.09 and 66,426.66 is: 91,685.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,698.50 : 161,073.09 = 66,426.66 : x
  2. Step 2: Convert to fraction form
    116,698.50/161,073.09 = 66,426.66/x
  3. Step 3: Cross multiply
    116,698.50x = 161,073.09 × 66,426.66
  4. Step 4: Simplify right side
    116,698.50x = 10,699,547,384.58
  5. Step 5: Solve for x
    x = 10,699,547,384.58/116,698.50
  6. Step 6: Final answer
    x = 91,685.39

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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.