Home / 64,174.34-88,563.93-38,688.82

Finding the Fourth Proportional to 64,174.34, 88,563.93 and 38,688.82

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Solution

The fourth proportional to 64,174.34, 88,563.93 and 38,688.82 is: 53,392.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,174.34 : 88,563.93 = 38,688.82 : x
  2. Step 2: Convert to fraction form
    64,174.34/88,563.93 = 38,688.82/x
  3. Step 3: Cross multiply
    64,174.34x = 88,563.93 × 38,688.82
  4. Step 4: Simplify right side
    64,174.34x = 3,426,433,946.26
  5. Step 5: Solve for x
    x = 3,426,433,946.26/64,174.34
  6. Step 6: Final answer
    x = 53,392.59

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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.