Home / 89,287.65-133,871.40-47,123.10

Finding the Fourth Proportional to 89,287.65, 133,871.40 and 47,123.10

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Solution

The fourth proportional to 89,287.65, 133,871.40 and 47,123.10 is: 70,652.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,287.65 : 133,871.40 = 47,123.10 : x
  2. Step 2: Convert to fraction form
    89,287.65/133,871.40 = 47,123.10/x
  3. Step 3: Cross multiply
    89,287.65x = 133,871.40 × 47,123.10
  4. Step 4: Simplify right side
    89,287.65x = 6,308,435,369.34
  5. Step 5: Solve for x
    x = 6,308,435,369.34/89,287.65
  6. Step 6: Final answer
    x = 70,652.94

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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.