Home / 116,421.60-174,632.40-49,839.60

Finding the Fourth Proportional to 116,421.60, 174,632.40 and 49,839.60

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Solution

The fourth proportional to 116,421.60, 174,632.40 and 49,839.60 is: 74,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,421.60 : 174,632.40 = 49,839.60 : x
  2. Step 2: Convert to fraction form
    116,421.60/174,632.40 = 49,839.60/x
  3. Step 3: Cross multiply
    116,421.60x = 174,632.40 × 49,839.60
  4. Step 4: Simplify right side
    116,421.60x = 8,703,608,963.04
  5. Step 5: Solve for x
    x = 8,703,608,963.04/116,421.60
  6. Step 6: Final answer
    x = 74,759.40

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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.