Home / 83,781.61-115,615.69-46,055.59

Finding the Fourth Proportional to 83,781.61, 115,615.69 and 46,055.59

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Solution

The fourth proportional to 83,781.61, 115,615.69 and 46,055.59 is: 63,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,781.61 : 115,615.69 = 46,055.59 : x
  2. Step 2: Convert to fraction form
    83,781.61/115,615.69 = 46,055.59/x
  3. Step 3: Cross multiply
    83,781.61x = 115,615.69 × 46,055.59
  4. Step 4: Simplify right side
    83,781.61x = 5,324,748,816.21
  5. Step 5: Solve for x
    x = 5,324,748,816.21/83,781.61
  6. Step 6: Final answer
    x = 63,555.10

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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.