Home / 57,535.07-79,422.95-38,683.13

Finding the Fourth Proportional to 57,535.07, 79,422.95 and 38,683.13

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Solution

The fourth proportional to 57,535.07, 79,422.95 and 38,683.13 is: 53,399.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,535.07 : 79,422.95 = 38,683.13 : x
  2. Step 2: Convert to fraction form
    57,535.07/79,422.95 = 38,683.13/x
  3. Step 3: Cross multiply
    57,535.07x = 79,422.95 × 38,683.13
  4. Step 4: Simplify right side
    57,535.07x = 3,072,328,106.42
  5. Step 5: Solve for x
    x = 3,072,328,106.42/57,535.07
  6. Step 6: Final answer
    x = 53,399.22

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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.