Home / 86,968.95-120,015-48,730.07

Finding the Fourth Proportional to 86,968.95, 120,015 and 48,730.07

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Solution

The fourth proportional to 86,968.95, 120,015 and 48,730.07 is: 67,246.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,968.95 : 120,015 = 48,730.07 : x
  2. Step 2: Convert to fraction form
    86,968.95/120,015 = 48,730.07/x
  3. Step 3: Cross multiply
    86,968.95x = 120,015 × 48,730.07
  4. Step 4: Simplify right side
    86,968.95x = 5,848,338,750.98
  5. Step 5: Solve for x
    x = 5,848,338,750.98/86,968.95
  6. Step 6: Final answer
    x = 67,246.28

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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.