Home / 89,733.84-134,602.92-42,935.28

Finding the Fourth Proportional to 89,733.84, 134,602.92 and 42,935.28

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Solution

The fourth proportional to 89,733.84, 134,602.92 and 42,935.28 is: 64,403.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,733.84 : 134,602.92 = 42,935.28 : x
  2. Step 2: Convert to fraction form
    89,733.84/134,602.92 = 42,935.28/x
  3. Step 3: Cross multiply
    89,733.84x = 134,602.92 × 42,935.28
  4. Step 4: Simplify right side
    89,733.84x = 5,779,214,059.02
  5. Step 5: Solve for x
    x = 5,779,214,059.02/89,733.84
  6. Step 6: Final answer
    x = 64,403.95

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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.