Home / 89,281.44-134,009.64-42,567.12

Finding the Fourth Proportional to 89,281.44, 134,009.64 and 42,567.12

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Solution

The fourth proportional to 89,281.44, 134,009.64 and 42,567.12 is: 63,892.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,281.44 : 134,009.64 = 42,567.12 : x
  2. Step 2: Convert to fraction form
    89,281.44/134,009.64 = 42,567.12/x
  3. Step 3: Cross multiply
    89,281.44x = 134,009.64 × 42,567.12
  4. Step 4: Simplify right side
    89,281.44x = 5,704,404,427.04
  5. Step 5: Solve for x
    x = 5,704,404,427.04/89,281.44
  6. Step 6: Final answer
    x = 63,892.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.