Home / 89,082.40-122,944.08-51,358

Finding the Fourth Proportional to 89,082.40, 122,944.08 and 51,358

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Solution

The fourth proportional to 89,082.40, 122,944.08 and 51,358 is: 70,880.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,082.40 : 122,944.08 = 51,358 : x
  2. Step 2: Convert to fraction form
    89,082.40/122,944.08 = 51,358/x
  3. Step 3: Cross multiply
    89,082.40x = 122,944.08 × 51,358
  4. Step 4: Simplify right side
    89,082.40x = 6,314,162,060.64
  5. Step 5: Solve for x
    x = 6,314,162,060.64/89,082.40
  6. Step 6: Final answer
    x = 70,880.02

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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.