Home / 92,919.50-128,228.70-52,633.16

Finding the Fourth Proportional to 92,919.50, 128,228.70 and 52,633.16

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Solution

The fourth proportional to 92,919.50, 128,228.70 and 52,633.16 is: 72,633.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,919.50 : 128,228.70 = 52,633.16 : x
  2. Step 2: Convert to fraction form
    92,919.50/128,228.70 = 52,633.16/x
  3. Step 3: Cross multiply
    92,919.50x = 128,228.70 × 52,633.16
  4. Step 4: Simplify right side
    92,919.50x = 6,749,081,683.69
  5. Step 5: Solve for x
    x = 6,749,081,683.69/92,919.50
  6. Step 6: Final answer
    x = 72,633.64

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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.