Home / 89,370.78-133,852.02-42,656.46

Finding the Fourth Proportional to 89,370.78, 133,852.02 and 42,656.46

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Solution

The fourth proportional to 89,370.78, 133,852.02 and 42,656.46 is: 63,887.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,370.78 : 133,852.02 = 42,656.46 : x
  2. Step 2: Convert to fraction form
    89,370.78/133,852.02 = 42,656.46/x
  3. Step 3: Cross multiply
    89,370.78x = 133,852.02 × 42,656.46
  4. Step 4: Simplify right side
    89,370.78x = 5,709,653,337.05
  5. Step 5: Solve for x
    x = 5,709,653,337.05/89,370.78
  6. Step 6: Final answer
    x = 63,887.25

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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.