Home / 89,071.54-122,888.21-50,803.45

Finding the Fourth Proportional to 89,071.54, 122,888.21 and 50,803.45

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Solution

The fourth proportional to 89,071.54, 122,888.21 and 50,803.45 is: 70,091.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,071.54 : 122,888.21 = 50,803.45 : x
  2. Step 2: Convert to fraction form
    89,071.54/122,888.21 = 50,803.45/x
  3. Step 3: Cross multiply
    89,071.54x = 122,888.21 × 50,803.45
  4. Step 4: Simplify right side
    89,071.54x = 6,243,145,032.32
  5. Step 5: Solve for x
    x = 6,243,145,032.32/89,071.54
  6. Step 6: Final answer
    x = 70,091.36

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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.