Home / 90,749.53-136,124.45-35,345.53

Finding the Fourth Proportional to 90,749.53, 136,124.45 and 35,345.53

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Solution

The fourth proportional to 90,749.53, 136,124.45 and 35,345.53 is: 53,018.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,749.53 : 136,124.45 = 35,345.53 : x
  2. Step 2: Convert to fraction form
    90,749.53/136,124.45 = 35,345.53/x
  3. Step 3: Cross multiply
    90,749.53x = 136,124.45 × 35,345.53
  4. Step 4: Simplify right side
    90,749.53x = 4,811,390,957.18
  5. Step 5: Solve for x
    x = 4,811,390,957.18/90,749.53
  6. Step 6: Final answer
    x = 53,018.36

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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.