Home / 66,269.56-99,388.86-42,505.24

Finding the Fourth Proportional to 66,269.56, 99,388.86 and 42,505.24

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Solution

The fourth proportional to 66,269.56, 99,388.86 and 42,505.24 is: 63,747.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,269.56 : 99,388.86 = 42,505.24 : x
  2. Step 2: Convert to fraction form
    66,269.56/99,388.86 = 42,505.24/x
  3. Step 3: Cross multiply
    66,269.56x = 99,388.86 × 42,505.24
  4. Step 4: Simplify right side
    66,269.56x = 4,224,547,347.63
  5. Step 5: Solve for x
    x = 4,224,547,347.63/66,269.56
  6. Step 6: Final answer
    x = 63,747.93

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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.