Home / 64,080.14-88,547.79-55,554.89

Finding the Fourth Proportional to 64,080.14, 88,547.79 and 55,554.89

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Solution

The fourth proportional to 64,080.14, 88,547.79 and 55,554.89 is: 76,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,080.14 : 88,547.79 = 55,554.89 : x
  2. Step 2: Convert to fraction form
    64,080.14/88,547.79 = 55,554.89/x
  3. Step 3: Cross multiply
    64,080.14x = 88,547.79 × 55,554.89
  4. Step 4: Simplify right side
    64,080.14x = 4,919,262,290.45
  5. Step 5: Solve for x
    x = 4,919,262,290.45/64,080.14
  6. Step 6: Final answer
    x = 76,767.35

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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.