Home / 55,343.64-76,283.16-39,216.36

Finding the Fourth Proportional to 55,343.64, 76,283.16 and 39,216.36

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Solution

The fourth proportional to 55,343.64, 76,283.16 and 39,216.36 is: 54,054.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,343.64 : 76,283.16 = 39,216.36 : x
  2. Step 2: Convert to fraction form
    55,343.64/76,283.16 = 39,216.36/x
  3. Step 3: Cross multiply
    55,343.64x = 76,283.16 × 39,216.36
  4. Step 4: Simplify right side
    55,343.64x = 2,991,547,864.50
  5. Step 5: Solve for x
    x = 2,991,547,864.50/55,343.64
  6. Step 6: Final answer
    x = 54,054.05

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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.