Home / 52,615.44-78,539.36-45,972.36

Finding the Fourth Proportional to 52,615.44, 78,539.36 and 45,972.36

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Solution

The fourth proportional to 52,615.44, 78,539.36 and 45,972.36 is: 68,623.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,615.44 : 78,539.36 = 45,972.36 : x
  2. Step 2: Convert to fraction form
    52,615.44/78,539.36 = 45,972.36/x
  3. Step 3: Cross multiply
    52,615.44x = 78,539.36 × 45,972.36
  4. Step 4: Simplify right side
    52,615.44x = 3,610,639,502.23
  5. Step 5: Solve for x
    x = 3,610,639,502.23/52,615.44
  6. Step 6: Final answer
    x = 68,623.19

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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.