Home / 57,938.29-79,913.51-53,173.59

Finding the Fourth Proportional to 57,938.29, 79,913.51 and 53,173.59

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Solution

The fourth proportional to 57,938.29, 79,913.51 and 53,173.59 is: 73,341.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,938.29 : 79,913.51 = 53,173.59 : x
  2. Step 2: Convert to fraction form
    57,938.29/79,913.51 = 53,173.59/x
  3. Step 3: Cross multiply
    57,938.29x = 79,913.51 × 53,173.59
  4. Step 4: Simplify right side
    57,938.29x = 4,249,287,850.06
  5. Step 5: Solve for x
    x = 4,249,287,850.06/57,938.29
  6. Step 6: Final answer
    x = 73,341.62

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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.