Home / 86,208.25-118,967.40-48,482.50

Finding the Fourth Proportional to 86,208.25, 118,967.40 and 48,482.50

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Solution

The fourth proportional to 86,208.25, 118,967.40 and 48,482.50 is: 66,905.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,208.25 : 118,967.40 = 48,482.50 : x
  2. Step 2: Convert to fraction form
    86,208.25/118,967.40 = 48,482.50/x
  3. Step 3: Cross multiply
    86,208.25x = 118,967.40 × 48,482.50
  4. Step 4: Simplify right side
    86,208.25x = 5,767,836,970.50
  5. Step 5: Solve for x
    x = 5,767,836,970.50/86,208.25
  6. Step 6: Final answer
    x = 66,905.86

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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.