Home / 62,354.08-86,021.23-38,156.20

Finding the Fourth Proportional to 62,354.08, 86,021.23 and 38,156.20

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Solution

The fourth proportional to 62,354.08, 86,021.23 and 38,156.20 is: 52,638.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,354.08 : 86,021.23 = 38,156.20 : x
  2. Step 2: Convert to fraction form
    62,354.08/86,021.23 = 38,156.20/x
  3. Step 3: Cross multiply
    62,354.08x = 86,021.23 × 38,156.20
  4. Step 4: Simplify right side
    62,354.08x = 3,282,243,256.13
  5. Step 5: Solve for x
    x = 3,282,243,256.13/62,354.08
  6. Step 6: Final answer
    x = 52,638.79

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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.