Home / 42,243.19-63,116.55-40,771.35

Finding the Fourth Proportional to 42,243.19, 63,116.55 and 40,771.35

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Solution

The fourth proportional to 42,243.19, 63,116.55 and 40,771.35 is: 60,917.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,243.19 : 63,116.55 = 40,771.35 : x
  2. Step 2: Convert to fraction form
    42,243.19/63,116.55 = 40,771.35/x
  3. Step 3: Cross multiply
    42,243.19x = 63,116.55 × 40,771.35
  4. Step 4: Simplify right side
    42,243.19x = 2,573,346,950.84
  5. Step 5: Solve for x
    x = 2,573,346,950.84/42,243.19
  6. Step 6: Final answer
    x = 60,917.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.