Home / 60,419.52-83,402.21-40,269.06

Finding the Fourth Proportional to 60,419.52, 83,402.21 and 40,269.06

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Solution

The fourth proportional to 60,419.52, 83,402.21 and 40,269.06 is: 55,586.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,419.52 : 83,402.21 = 40,269.06 : x
  2. Step 2: Convert to fraction form
    60,419.52/83,402.21 = 40,269.06/x
  3. Step 3: Cross multiply
    60,419.52x = 83,402.21 × 40,269.06
  4. Step 4: Simplify right side
    60,419.52x = 3,358,528,598.62
  5. Step 5: Solve for x
    x = 3,358,528,598.62/60,419.52
  6. Step 6: Final answer
    x = 55,586.81

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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.