Home / 97,222.72-145,834.08-75,068.32

Finding the Fourth Proportional to 97,222.72, 145,834.08 and 75,068.32

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Solution

The fourth proportional to 97,222.72, 145,834.08 and 75,068.32 is: 112,602.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,222.72 : 145,834.08 = 75,068.32 : x
  2. Step 2: Convert to fraction form
    97,222.72/145,834.08 = 75,068.32/x
  3. Step 3: Cross multiply
    97,222.72x = 145,834.08 × 75,068.32
  4. Step 4: Simplify right side
    97,222.72x = 10,947,519,384.35
  5. Step 5: Solve for x
    x = 10,947,519,384.35/97,222.72
  6. Step 6: Final answer
    x = 112,602.48

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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.