Home / 107,629.28-148,526.09-62,309.18

Finding the Fourth Proportional to 107,629.28, 148,526.09 and 62,309.18

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Solution

The fourth proportional to 107,629.28, 148,526.09 and 62,309.18 is: 85,985.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,629.28 : 148,526.09 = 62,309.18 : x
  2. Step 2: Convert to fraction form
    107,629.28/148,526.09 = 62,309.18/x
  3. Step 3: Cross multiply
    107,629.28x = 148,526.09 × 62,309.18
  4. Step 4: Simplify right side
    107,629.28x = 9,254,538,876.51
  5. Step 5: Solve for x
    x = 9,254,538,876.51/107,629.28
  6. Step 6: Final answer
    x = 85,985.33

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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.