Home / 62,615.06-86,417.65-38,749.43

Finding the Fourth Proportional to 62,615.06, 86,417.65 and 38,749.43

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Solution

The fourth proportional to 62,615.06, 86,417.65 and 38,749.43 is: 53,479.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,615.06 : 86,417.65 = 38,749.43 : x
  2. Step 2: Convert to fraction form
    62,615.06/86,417.65 = 38,749.43/x
  3. Step 3: Cross multiply
    62,615.06x = 86,417.65 × 38,749.43
  4. Step 4: Simplify right side
    62,615.06x = 3,348,634,053.60
  5. Step 5: Solve for x
    x = 3,348,634,053.60/62,615.06
  6. Step 6: Final answer
    x = 53,479.69

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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.