Home / 47,312.04-70,826.28-45,629.72

Finding the Fourth Proportional to 47,312.04, 70,826.28 and 45,629.72

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Solution

The fourth proportional to 47,312.04, 70,826.28 and 45,629.72 is: 68,307.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,312.04 : 70,826.28 = 45,629.72 : x
  2. Step 2: Convert to fraction form
    47,312.04/70,826.28 = 45,629.72/x
  3. Step 3: Cross multiply
    47,312.04x = 70,826.28 × 45,629.72
  4. Step 4: Simplify right side
    47,312.04x = 3,231,783,325.04
  5. Step 5: Solve for x
    x = 3,231,783,325.04/47,312.04
  6. Step 6: Final answer
    x = 68,307.84

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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.