Home / 89,558.50-134,298.31-47,428.74

Finding the Fourth Proportional to 89,558.50, 134,298.31 and 47,428.74

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Solution

The fourth proportional to 89,558.50, 134,298.31 and 47,428.74 is: 71,122.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,558.50 : 134,298.31 = 47,428.74 : x
  2. Step 2: Convert to fraction form
    89,558.50/134,298.31 = 47,428.74/x
  3. Step 3: Cross multiply
    89,558.50x = 134,298.31 × 47,428.74
  4. Step 4: Simplify right side
    89,558.50x = 6,369,599,005.24
  5. Step 5: Solve for x
    x = 6,369,599,005.24/89,558.50
  6. Step 6: Final answer
    x = 71,122.22

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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.