Home / 113,737.32-170,548.70-66,368.52

Finding the Fourth Proportional to 113,737.32, 170,548.70 and 66,368.52

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Solution

The fourth proportional to 113,737.32, 170,548.70 and 66,368.52 is: 99,519.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,737.32 : 170,548.70 = 66,368.52 : x
  2. Step 2: Convert to fraction form
    113,737.32/170,548.70 = 66,368.52/x
  3. Step 3: Cross multiply
    113,737.32x = 170,548.70 × 66,368.52
  4. Step 4: Simplify right side
    113,737.32x = 11,319,064,806.92
  5. Step 5: Solve for x
    x = 11,319,064,806.92/113,737.32
  6. Step 6: Final answer
    x = 99,519.36

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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.