Home / 74,294.81-102,533.91-42,457.54

Finding the Fourth Proportional to 74,294.81, 102,533.91 and 42,457.54

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Solution

The fourth proportional to 74,294.81, 102,533.91 and 42,457.54 is: 58,595.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,294.81 : 102,533.91 = 42,457.54 : x
  2. Step 2: Convert to fraction form
    74,294.81/102,533.91 = 42,457.54/x
  3. Step 3: Cross multiply
    74,294.81x = 102,533.91 × 42,457.54
  4. Step 4: Simplify right side
    74,294.81x = 4,353,337,072.51
  5. Step 5: Solve for x
    x = 4,353,337,072.51/74,294.81
  6. Step 6: Final answer
    x = 58,595.44

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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.