Home / 57,430.89-86,141.67-36,309.33

Finding the Fourth Proportional to 57,430.89, 86,141.67 and 36,309.33

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Solution

The fourth proportional to 57,430.89, 86,141.67 and 36,309.33 is: 54,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,430.89 : 86,141.67 = 36,309.33 : x
  2. Step 2: Convert to fraction form
    57,430.89/86,141.67 = 36,309.33/x
  3. Step 3: Cross multiply
    57,430.89x = 86,141.67 × 36,309.33
  4. Step 4: Simplify right side
    57,430.89x = 3,127,746,322.78
  5. Step 5: Solve for x
    x = 3,127,746,322.78/57,430.89
  6. Step 6: Final answer
    x = 54,461.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.