Home / 89,999.41-124,215.14-51,756.01

Finding the Fourth Proportional to 89,999.41, 124,215.14 and 51,756.01

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Solution

The fourth proportional to 89,999.41, 124,215.14 and 51,756.01 is: 71,432.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,999.41 : 124,215.14 = 51,756.01 : x
  2. Step 2: Convert to fraction form
    89,999.41/124,215.14 = 51,756.01/x
  3. Step 3: Cross multiply
    89,999.41x = 124,215.14 × 51,756.01
  4. Step 4: Simplify right side
    89,999.41x = 6,428,880,027.99
  5. Step 5: Solve for x
    x = 6,428,880,027.99/89,999.41
  6. Step 6: Final answer
    x = 71,432.47

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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.