Home / 105,741.36-145,950.84-63,333.04

Finding the Fourth Proportional to 105,741.36, 145,950.84 and 63,333.04

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Solution

The fourth proportional to 105,741.36, 145,950.84 and 63,333.04 is: 87,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,741.36 : 145,950.84 = 63,333.04 : x
  2. Step 2: Convert to fraction form
    105,741.36/145,950.84 = 63,333.04/x
  3. Step 3: Cross multiply
    105,741.36x = 145,950.84 × 63,333.04
  4. Step 4: Simplify right side
    105,741.36x = 9,243,510,387.75
  5. Step 5: Solve for x
    x = 9,243,510,387.75/105,741.36
  6. Step 6: Final answer
    x = 87,416.22

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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.