Home / 77,547.83-107,011.08-43,555.44

Finding the Fourth Proportional to 77,547.83, 107,011.08 and 43,555.44

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Solution

The fourth proportional to 77,547.83, 107,011.08 and 43,555.44 is: 60,103.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,547.83 : 107,011.08 = 43,555.44 : x
  2. Step 2: Convert to fraction form
    77,547.83/107,011.08 = 43,555.44/x
  3. Step 3: Cross multiply
    77,547.83x = 107,011.08 × 43,555.44
  4. Step 4: Simplify right side
    77,547.83x = 4,660,914,674.28
  5. Step 5: Solve for x
    x = 4,660,914,674.28/77,547.83
  6. Step 6: Final answer
    x = 60,103.74

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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.