Home / 92,854.96-128,136.28-50,412.56

Finding the Fourth Proportional to 92,854.96, 128,136.28 and 50,412.56

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Solution

The fourth proportional to 92,854.96, 128,136.28 and 50,412.56 is: 69,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,854.96 : 128,136.28 = 50,412.56 : x
  2. Step 2: Convert to fraction form
    92,854.96/128,136.28 = 50,412.56/x
  3. Step 3: Cross multiply
    92,854.96x = 128,136.28 × 50,412.56
  4. Step 4: Simplify right side
    92,854.96x = 6,459,677,903.68
  5. Step 5: Solve for x
    x = 6,459,677,903.68/92,854.96
  6. Step 6: Final answer
    x = 69,567.40

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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.