Home / 62,727.02-86,603.85-38,879.06

Finding the Fourth Proportional to 62,727.02, 86,603.85 and 38,879.06

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Solution

The fourth proportional to 62,727.02, 86,603.85 and 38,879.06 is: 53,678.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,727.02 : 86,603.85 = 38,879.06 : x
  2. Step 2: Convert to fraction form
    62,727.02/86,603.85 = 38,879.06/x
  3. Step 3: Cross multiply
    62,727.02x = 86,603.85 × 38,879.06
  4. Step 4: Simplify right side
    62,727.02x = 3,367,076,280.38
  5. Step 5: Solve for x
    x = 3,367,076,280.38/62,727.02
  6. Step 6: Final answer
    x = 53,678.24

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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.