Home / 99,031.37-136,663.36-53,709.34

Finding the Fourth Proportional to 99,031.37, 136,663.36 and 53,709.34

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Solution

The fourth proportional to 99,031.37, 136,663.36 and 53,709.34 is: 74,118.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,031.37 : 136,663.36 = 53,709.34 : x
  2. Step 2: Convert to fraction form
    99,031.37/136,663.36 = 53,709.34/x
  3. Step 3: Cross multiply
    99,031.37x = 136,663.36 × 53,709.34
  4. Step 4: Simplify right side
    99,031.37x = 7,340,098,391.85
  5. Step 5: Solve for x
    x = 7,340,098,391.85/99,031.37
  6. Step 6: Final answer
    x = 74,118.93

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1.5x scale

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.