Home / 98,492.28-135,909.24-55,464.93

Finding the Fourth Proportional to 98,492.28, 135,909.24 and 55,464.93

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Solution

The fourth proportional to 98,492.28, 135,909.24 and 55,464.93 is: 76,535.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,492.28 : 135,909.24 = 55,464.93 : x
  2. Step 2: Convert to fraction form
    98,492.28/135,909.24 = 55,464.93/x
  3. Step 3: Cross multiply
    98,492.28x = 135,909.24 × 55,464.93
  4. Step 4: Simplify right side
    98,492.28x = 7,538,196,482.95
  5. Step 5: Solve for x
    x = 7,538,196,482.95/98,492.28
  6. Step 6: Final answer
    x = 76,535.91

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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.