Home / 57,666.60-79,461.81-42,535.33

Finding the Fourth Proportional to 57,666.60, 79,461.81 and 42,535.33

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Solution

The fourth proportional to 57,666.60, 79,461.81 and 42,535.33 is: 58,611.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,666.60 : 79,461.81 = 42,535.33 : x
  2. Step 2: Convert to fraction form
    57,666.60/79,461.81 = 42,535.33/x
  3. Step 3: Cross multiply
    57,666.60x = 79,461.81 × 42,535.33
  4. Step 4: Simplify right side
    57,666.60x = 3,379,934,112.09
  5. Step 5: Solve for x
    x = 3,379,934,112.09/57,666.60
  6. Step 6: Final answer
    x = 58,611.64

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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.