Home / 54,547.77-75,275.43-30,674.61

Finding the Fourth Proportional to 54,547.77, 75,275.43 and 30,674.61

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Solution

The fourth proportional to 54,547.77, 75,275.43 and 30,674.61 is: 42,330.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,547.77 : 75,275.43 = 30,674.61 : x
  2. Step 2: Convert to fraction form
    54,547.77/75,275.43 = 30,674.61/x
  3. Step 3: Cross multiply
    54,547.77x = 75,275.43 × 30,674.61
  4. Step 4: Simplify right side
    54,547.77x = 2,309,044,457.83
  5. Step 5: Solve for x
    x = 2,309,044,457.83/54,547.77
  6. Step 6: Final answer
    x = 42,330.68

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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.