Home / 54,576.90-75,310.02-30,703.08

Finding the Fourth Proportional to 54,576.90, 75,310.02 and 30,703.08

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Solution

The fourth proportional to 54,576.90, 75,310.02 and 30,703.08 is: 42,366.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,576.90 : 75,310.02 = 30,703.08 : x
  2. Step 2: Convert to fraction form
    54,576.90/75,310.02 = 30,703.08/x
  3. Step 3: Cross multiply
    54,576.90x = 75,310.02 × 30,703.08
  4. Step 4: Simplify right side
    54,576.90x = 2,312,249,568.86
  5. Step 5: Solve for x
    x = 2,312,249,568.86/54,576.90
  6. Step 6: Final answer
    x = 42,366.82

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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.