Home / 55,419.04-76,503.45-35,303.50

Finding the Fourth Proportional to 55,419.04, 76,503.45 and 35,303.50

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Solution

The fourth proportional to 55,419.04, 76,503.45 and 35,303.50 is: 48,734.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,419.04 : 76,503.45 = 35,303.50 : x
  2. Step 2: Convert to fraction form
    55,419.04/76,503.45 = 35,303.50/x
  3. Step 3: Cross multiply
    55,419.04x = 76,503.45 × 35,303.50
  4. Step 4: Simplify right side
    55,419.04x = 2,700,839,547.08
  5. Step 5: Solve for x
    x = 2,700,839,547.08/55,419.04
  6. Step 6: Final answer
    x = 48,734.87

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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.