Home / 54,567.34-75,281.61-30,688.54

Finding the Fourth Proportional to 54,567.34, 75,281.61 and 30,688.54

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Solution

The fourth proportional to 54,567.34, 75,281.61 and 30,688.54 is: 42,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,567.34 : 75,281.61 = 30,688.54 : x
  2. Step 2: Convert to fraction form
    54,567.34/75,281.61 = 30,688.54/x
  3. Step 3: Cross multiply
    54,567.34x = 75,281.61 × 30,688.54
  4. Step 4: Simplify right side
    54,567.34x = 2,310,282,699.75
  5. Step 5: Solve for x
    x = 2,310,282,699.75/54,567.34
  6. Step 6: Final answer
    x = 42,338.20

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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.