Home / 91,864.02-126,786.09-56,074.68

Finding the Fourth Proportional to 91,864.02, 126,786.09 and 56,074.68

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Solution

The fourth proportional to 91,864.02, 126,786.09 and 56,074.68 is: 77,391.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,864.02 : 126,786.09 = 56,074.68 : x
  2. Step 2: Convert to fraction form
    91,864.02/126,786.09 = 56,074.68/x
  3. Step 3: Cross multiply
    91,864.02x = 126,786.09 × 56,074.68
  4. Step 4: Simplify right side
    91,864.02x = 7,109,489,162.35
  5. Step 5: Solve for x
    x = 7,109,489,162.35/91,864.02
  6. Step 6: Final answer
    x = 77,391.44

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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.