Home / 89,370.28-133,851.27-42,655.96

Finding the Fourth Proportional to 89,370.28, 133,851.27 and 42,655.96

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Solution

The fourth proportional to 89,370.28, 133,851.27 and 42,655.96 is: 63,886.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,370.28 : 133,851.27 = 42,655.96 : x
  2. Step 2: Convert to fraction form
    89,370.28/133,851.27 = 42,655.96/x
  3. Step 3: Cross multiply
    89,370.28x = 133,851.27 × 42,655.96
  4. Step 4: Simplify right side
    89,370.28x = 5,709,553,749.81
  5. Step 5: Solve for x
    x = 5,709,553,749.81/89,370.28
  6. Step 6: Final answer
    x = 63,886.50

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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.