Home / 66,490.24-99,618.48-59,258.56

Finding the Fourth Proportional to 66,490.24, 99,618.48 and 59,258.56

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Solution

The fourth proportional to 66,490.24, 99,618.48 and 59,258.56 is: 88,783.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,490.24 : 99,618.48 = 59,258.56 : x
  2. Step 2: Convert to fraction form
    66,490.24/99,618.48 = 59,258.56/x
  3. Step 3: Cross multiply
    66,490.24x = 99,618.48 × 59,258.56
  4. Step 4: Simplify right side
    66,490.24x = 5,903,247,674.19
  5. Step 5: Solve for x
    x = 5,903,247,674.19/66,490.24
  6. Step 6: Final answer
    x = 88,783.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.