Home / 91,813.86-126,722.88-70,066.62

Finding the Fourth Proportional to 91,813.86, 126,722.88 and 70,066.62

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Solution

The fourth proportional to 91,813.86, 126,722.88 and 70,066.62 is: 96,707.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,813.86 : 126,722.88 = 70,066.62 : x
  2. Step 2: Convert to fraction form
    91,813.86/126,722.88 = 70,066.62/x
  3. Step 3: Cross multiply
    91,813.86x = 126,722.88 × 70,066.62
  4. Step 4: Simplify right side
    91,813.86x = 8,879,043,878.27
  5. Step 5: Solve for x
    x = 8,879,043,878.27/91,813.86
  6. Step 6: Final answer
    x = 96,707.01

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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.