Home / 62,861.56-86,703.70-42,683.40

Finding the Fourth Proportional to 62,861.56, 86,703.70 and 42,683.40

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Solution

The fourth proportional to 62,861.56, 86,703.70 and 42,683.40 is: 58,872.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,861.56 : 86,703.70 = 42,683.40 : x
  2. Step 2: Convert to fraction form
    62,861.56/86,703.70 = 42,683.40/x
  3. Step 3: Cross multiply
    62,861.56x = 86,703.70 × 42,683.40
  4. Step 4: Simplify right side
    62,861.56x = 3,700,808,708.58
  5. Step 5: Solve for x
    x = 3,700,808,708.58/62,861.56
  6. Step 6: Final answer
    x = 58,872.37

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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.