Home / 86,019.42-118,705.02-48,293.70

Finding the Fourth Proportional to 86,019.42, 118,705.02 and 48,293.70

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Solution

The fourth proportional to 86,019.42, 118,705.02 and 48,293.70 is: 66,644.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,019.42 : 118,705.02 = 48,293.70 : x
  2. Step 2: Convert to fraction form
    86,019.42/118,705.02 = 48,293.70/x
  3. Step 3: Cross multiply
    86,019.42x = 118,705.02 × 48,293.70
  4. Step 4: Simplify right side
    86,019.42x = 5,732,704,624.37
  5. Step 5: Solve for x
    x = 5,732,704,624.37/86,019.42
  6. Step 6: Final answer
    x = 66,644.31

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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.