Home / 55,708.08-76,865.40-35,552.16

Finding the Fourth Proportional to 55,708.08, 76,865.40 and 35,552.16

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Solution

The fourth proportional to 55,708.08, 76,865.40 and 35,552.16 is: 49,054.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,708.08 : 76,865.40 = 35,552.16 : x
  2. Step 2: Convert to fraction form
    55,708.08/76,865.40 = 35,552.16/x
  3. Step 3: Cross multiply
    55,708.08x = 76,865.40 × 35,552.16
  4. Step 4: Simplify right side
    55,708.08x = 2,732,730,999.26
  5. Step 5: Solve for x
    x = 2,732,730,999.26/55,708.08
  6. Step 6: Final answer
    x = 49,054.48

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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.