Home / 89,308.04-133,928.30-35,981.93

Finding the Fourth Proportional to 89,308.04, 133,928.30 and 35,981.93

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Solution

The fourth proportional to 89,308.04, 133,928.30 and 35,981.93 is: 53,959.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,308.04 : 133,928.30 = 35,981.93 : x
  2. Step 2: Convert to fraction form
    89,308.04/133,928.30 = 35,981.93/x
  3. Step 3: Cross multiply
    89,308.04x = 133,928.30 × 35,981.93
  4. Step 4: Simplify right side
    89,308.04x = 4,818,999,140.39
  5. Step 5: Solve for x
    x = 4,818,999,140.39/89,308.04
  6. Step 6: Final answer
    x = 53,959.30

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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.