Home / 89,896.08-124,056.48-49,609.80

Finding the Fourth Proportional to 89,896.08, 124,056.48 and 49,609.80

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Solution

The fourth proportional to 89,896.08, 124,056.48 and 49,609.80 is: 68,461.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,896.08 : 124,056.48 = 49,609.80 : x
  2. Step 2: Convert to fraction form
    89,896.08/124,056.48 = 49,609.80/x
  3. Step 3: Cross multiply
    89,896.08x = 124,056.48 × 49,609.80
  4. Step 4: Simplify right side
    89,896.08x = 6,154,417,161.50
  5. Step 5: Solve for x
    x = 6,154,417,161.50/89,896.08
  6. Step 6: Final answer
    x = 68,461.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.