Home / 85,724.01-118,303.02-47,998.26

Finding the Fourth Proportional to 85,724.01, 118,303.02 and 47,998.26

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Solution

The fourth proportional to 85,724.01, 118,303.02 and 47,998.26 is: 66,239.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,724.01 : 118,303.02 = 47,998.26 : x
  2. Step 2: Convert to fraction form
    85,724.01/118,303.02 = 47,998.26/x
  3. Step 3: Cross multiply
    85,724.01x = 118,303.02 × 47,998.26
  4. Step 4: Simplify right side
    85,724.01x = 5,678,339,112.75
  5. Step 5: Solve for x
    x = 5,678,339,112.75/85,724.01
  6. Step 6: Final answer
    x = 66,239.77

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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.