Home / 57,236.31-85,433.40-53,225.19

Finding the Fourth Proportional to 57,236.31, 85,433.40 and 53,225.19

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Solution

The fourth proportional to 57,236.31, 85,433.40 and 53,225.19 is: 79,446.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,236.31 : 85,433.40 = 53,225.19 : x
  2. Step 2: Convert to fraction form
    57,236.31/85,433.40 = 53,225.19/x
  3. Step 3: Cross multiply
    57,236.31x = 85,433.40 × 53,225.19
  4. Step 4: Simplify right side
    57,236.31x = 4,547,208,947.35
  5. Step 5: Solve for x
    x = 4,547,208,947.35/57,236.31
  6. Step 6: Final answer
    x = 79,446.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.