Home / 97,280.42-145,964.96-49,928.76

Finding the Fourth Proportional to 97,280.42, 145,964.96 and 49,928.76

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Solution

The fourth proportional to 97,280.42, 145,964.96 and 49,928.76 is: 74,915.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,280.42 : 145,964.96 = 49,928.76 : x
  2. Step 2: Convert to fraction form
    97,280.42/145,964.96 = 49,928.76/x
  3. Step 3: Cross multiply
    97,280.42x = 145,964.96 × 49,928.76
  4. Step 4: Simplify right side
    97,280.42x = 7,287,848,915.79
  5. Step 5: Solve for x
    x = 7,287,848,915.79/97,280.42
  6. Step 6: Final answer
    x = 74,915.89

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1.5x scale

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.