Home / 70,816.08-106,289.76-35,780.36

Finding the Fourth Proportional to 70,816.08, 106,289.76 and 35,780.36

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Solution

The fourth proportional to 70,816.08, 106,289.76 and 35,780.36 is: 53,703.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,816.08 : 106,289.76 = 35,780.36 : x
  2. Step 2: Convert to fraction form
    70,816.08/106,289.76 = 35,780.36/x
  3. Step 3: Cross multiply
    70,816.08x = 106,289.76 × 35,780.36
  4. Step 4: Simplify right side
    70,816.08x = 3,803,085,877.11
  5. Step 5: Solve for x
    x = 3,803,085,877.11/70,816.08
  6. Step 6: Final answer
    x = 53,703.71

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1.5x scale

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.