Home / 82,640.03-114,041.21-48,191.04

Finding the Fourth Proportional to 82,640.03, 114,041.21 and 48,191.04

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Solution

The fourth proportional to 82,640.03, 114,041.21 and 48,191.04 is: 66,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,640.03 : 114,041.21 = 48,191.04 : x
  2. Step 2: Convert to fraction form
    82,640.03/114,041.21 = 48,191.04/x
  3. Step 3: Cross multiply
    82,640.03x = 114,041.21 × 48,191.04
  4. Step 4: Simplify right side
    82,640.03x = 5,495,764,271.80
  5. Step 5: Solve for x
    x = 5,495,764,271.80/82,640.03
  6. Step 6: Final answer
    x = 66,502.45

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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.