Home / 88,071.75-121,539.06-50,346.81

Finding the Fourth Proportional to 88,071.75, 121,539.06 and 50,346.81

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Solution

The fourth proportional to 88,071.75, 121,539.06 and 50,346.81 is: 69,478.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,071.75 : 121,539.06 = 50,346.81 : x
  2. Step 2: Convert to fraction form
    88,071.75/121,539.06 = 50,346.81/x
  3. Step 3: Cross multiply
    88,071.75x = 121,539.06 × 50,346.81
  4. Step 4: Simplify right side
    88,071.75x = 6,119,103,961.40
  5. Step 5: Solve for x
    x = 6,119,103,961.40/88,071.75
  6. Step 6: Final answer
    x = 69,478.62

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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.