Home / 60,420.08-90,628.32-35,440.94

Finding the Fourth Proportional to 60,420.08, 90,628.32 and 35,440.94

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Solution

The fourth proportional to 60,420.08, 90,628.32 and 35,440.94 is: 53,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,420.08 : 90,628.32 = 35,440.94 : x
  2. Step 2: Convert to fraction form
    60,420.08/90,628.32 = 35,440.94/x
  3. Step 3: Cross multiply
    60,420.08x = 90,628.32 × 35,440.94
  4. Step 4: Simplify right side
    60,420.08x = 3,211,952,851.42
  5. Step 5: Solve for x
    x = 3,211,952,851.42/60,420.08
  6. Step 6: Final answer
    x = 53,160.35

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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.