Home / 89,869.12-134,803.36-23,303.68

Finding the Fourth Proportional to 89,869.12, 134,803.36 and 23,303.68

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Solution

The fourth proportional to 89,869.12, 134,803.36 and 23,303.68 is: 34,955.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,869.12 : 134,803.36 = 23,303.68 : x
  2. Step 2: Convert to fraction form
    89,869.12/134,803.36 = 23,303.68/x
  3. Step 3: Cross multiply
    89,869.12x = 134,803.36 × 23,303.68
  4. Step 4: Simplify right side
    89,869.12x = 3,141,414,364.36
  5. Step 5: Solve for x
    x = 3,141,414,364.36/89,869.12
  6. Step 6: Final answer
    x = 34,955.44

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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.