Home / 91,973.40-126,923.79-53,735.19

Finding the Fourth Proportional to 91,973.40, 126,923.79 and 53,735.19

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Solution

The fourth proportional to 91,973.40, 126,923.79 and 53,735.19 is: 74,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,973.40 : 126,923.79 = 53,735.19 : x
  2. Step 2: Convert to fraction form
    91,973.40/126,923.79 = 53,735.19/x
  3. Step 3: Cross multiply
    91,973.40x = 126,923.79 × 53,735.19
  4. Step 4: Simplify right side
    91,973.40x = 6,820,273,971.17
  5. Step 5: Solve for x
    x = 6,820,273,971.17/91,973.40
  6. Step 6: Final answer
    x = 74,154.85

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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.