Home / 55,132.80-76,095.36-36,271.68

Finding the Fourth Proportional to 55,132.80, 76,095.36 and 36,271.68

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Solution

The fourth proportional to 55,132.80, 76,095.36 and 36,271.68 is: 50,062.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,132.80 : 76,095.36 = 36,271.68 : x
  2. Step 2: Convert to fraction form
    55,132.80/76,095.36 = 36,271.68/x
  3. Step 3: Cross multiply
    55,132.80x = 76,095.36 × 36,271.68
  4. Step 4: Simplify right side
    55,132.80x = 2,760,106,547.40
  5. Step 5: Solve for x
    x = 2,760,106,547.40/55,132.80
  6. Step 6: Final answer
    x = 50,062.88

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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.