Home / 61,816.68-85,275.48-39,117.36

Finding the Fourth Proportional to 61,816.68, 85,275.48 and 39,117.36

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Solution

The fourth proportional to 61,816.68, 85,275.48 and 39,117.36 is: 53,962.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,816.68 : 85,275.48 = 39,117.36 : x
  2. Step 2: Convert to fraction form
    61,816.68/85,275.48 = 39,117.36/x
  3. Step 3: Cross multiply
    61,816.68x = 85,275.48 × 39,117.36
  4. Step 4: Simplify right side
    61,816.68x = 3,335,751,650.33
  5. Step 5: Solve for x
    x = 3,335,751,650.33/61,816.68
  6. Step 6: Final answer
    x = 53,962.00

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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.