Home / 116,420.40-174,484.50-49,782.18

Finding the Fourth Proportional to 116,420.40, 174,484.50 and 49,782.18

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Solution

The fourth proportional to 116,420.40, 174,484.50 and 49,782.18 is: 74,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,420.40 : 174,484.50 = 49,782.18 : x
  2. Step 2: Convert to fraction form
    116,420.40/174,484.50 = 49,782.18/x
  3. Step 3: Cross multiply
    116,420.40x = 174,484.50 × 49,782.18
  4. Step 4: Simplify right side
    116,420.40x = 8,686,218,786.21
  5. Step 5: Solve for x
    x = 8,686,218,786.21/116,420.40
  6. Step 6: Final answer
    x = 74,610.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.