Home / 97,699.72-134,886.09-74,995.24

Finding the Fourth Proportional to 97,699.72, 134,886.09 and 74,995.24

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Solution

The fourth proportional to 97,699.72, 134,886.09 and 74,995.24 is: 103,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,699.72 : 134,886.09 = 74,995.24 : x
  2. Step 2: Convert to fraction form
    97,699.72/134,886.09 = 74,995.24/x
  3. Step 3: Cross multiply
    97,699.72x = 134,886.09 × 74,995.24
  4. Step 4: Simplify right side
    97,699.72x = 10,115,814,692.21
  5. Step 5: Solve for x
    x = 10,115,814,692.21/97,699.72
  6. Step 6: Final answer
    x = 103,539.85

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1.5x scale

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.