Home / 88,116.84-121,607.16-49,876.32

Finding the Fourth Proportional to 88,116.84, 121,607.16 and 49,876.32

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Solution

The fourth proportional to 88,116.84, 121,607.16 and 49,876.32 is: 68,832.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,116.84 : 121,607.16 = 49,876.32 : x
  2. Step 2: Convert to fraction form
    88,116.84/121,607.16 = 49,876.32/x
  3. Step 3: Cross multiply
    88,116.84x = 121,607.16 × 49,876.32
  4. Step 4: Simplify right side
    88,116.84x = 6,065,317,626.45
  5. Step 5: Solve for x
    x = 6,065,317,626.45/88,116.84
  6. Step 6: Final answer
    x = 68,832.67

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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.