Home / 89,335.20-133,784.10-42,533.40

Finding the Fourth Proportional to 89,335.20, 133,784.10 and 42,533.40

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Solution

The fourth proportional to 89,335.20, 133,784.10 and 42,533.40 is: 63,695.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,335.20 : 133,784.10 = 42,533.40 : x
  2. Step 2: Convert to fraction form
    89,335.20/133,784.10 = 42,533.40/x
  3. Step 3: Cross multiply
    89,335.20x = 133,784.10 × 42,533.40
  4. Step 4: Simplify right side
    89,335.20x = 5,690,292,638.94
  5. Step 5: Solve for x
    x = 5,690,292,638.94/89,335.20
  6. Step 6: Final answer
    x = 63,695.97

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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.