Home / 89,870.44-134,888.48-45,528.08

Finding the Fourth Proportional to 89,870.44, 134,888.48 and 45,528.08

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Solution

The fourth proportional to 89,870.44, 134,888.48 and 45,528.08 is: 68,334.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,870.44 : 134,888.48 = 45,528.08 : x
  2. Step 2: Convert to fraction form
    89,870.44/134,888.48 = 45,528.08/x
  3. Step 3: Cross multiply
    89,870.44x = 134,888.48 × 45,528.08
  4. Step 4: Simplify right side
    89,870.44x = 6,141,213,508.52
  5. Step 5: Solve for x
    x = 6,141,213,508.52/89,870.44
  6. Step 6: Final answer
    x = 68,334.08

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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.