Home / 61,400.85-84,744.93-38,441.40

Finding the Fourth Proportional to 61,400.85, 84,744.93 and 38,441.40

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Solution

The fourth proportional to 61,400.85, 84,744.93 and 38,441.40 is: 53,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,400.85 : 84,744.93 = 38,441.40 : x
  2. Step 2: Convert to fraction form
    61,400.85/84,744.93 = 38,441.40/x
  3. Step 3: Cross multiply
    61,400.85x = 84,744.93 × 38,441.40
  4. Step 4: Simplify right side
    61,400.85x = 3,257,713,752.10
  5. Step 5: Solve for x
    x = 3,257,713,752.10/61,400.85
  6. Step 6: Final answer
    x = 53,056.49

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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.