Home / 45,615.10-62,707.18-39,218.12

Finding the Fourth Proportional to 45,615.10, 62,707.18 and 39,218.12

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Solution

The fourth proportional to 45,615.10, 62,707.18 and 39,218.12 is: 53,913.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,615.10 : 62,707.18 = 39,218.12 : x
  2. Step 2: Convert to fraction form
    45,615.10/62,707.18 = 39,218.12/x
  3. Step 3: Cross multiply
    45,615.10x = 62,707.18 × 39,218.12
  4. Step 4: Simplify right side
    45,615.10x = 2,459,257,710.10
  5. Step 5: Solve for x
    x = 2,459,257,710.10/45,615.10
  6. Step 6: Final answer
    x = 53,913.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.