Home / 90,496.08-124,842.60-56,482.56

Finding the Fourth Proportional to 90,496.08, 124,842.60 and 56,482.56

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Solution

The fourth proportional to 90,496.08, 124,842.60 and 56,482.56 is: 77,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,496.08 : 124,842.60 = 56,482.56 : x
  2. Step 2: Convert to fraction form
    90,496.08/124,842.60 = 56,482.56/x
  3. Step 3: Cross multiply
    90,496.08x = 124,842.60 × 56,482.56
  4. Step 4: Simplify right side
    90,496.08x = 7,051,429,645.06
  5. Step 5: Solve for x
    x = 7,051,429,645.06/90,496.08
  6. Step 6: Final answer
    x = 77,919.72

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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.