Home / 91,966.66-126,919.86-53,738.60

Finding the Fourth Proportional to 91,966.66, 126,919.86 and 53,738.60

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Solution

The fourth proportional to 91,966.66, 126,919.86 and 53,738.60 is: 74,162.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,966.66 : 126,919.86 = 53,738.60 : x
  2. Step 2: Convert to fraction form
    91,966.66/126,919.86 = 53,738.60/x
  3. Step 3: Cross multiply
    91,966.66x = 126,919.86 × 53,738.60
  4. Step 4: Simplify right side
    91,966.66x = 6,820,495,588.60
  5. Step 5: Solve for x
    x = 6,820,495,588.60/91,966.66
  6. Step 6: Final answer
    x = 74,162.70

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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.