Home / 42,772.04-64,156.98-11,606.48

Finding the Fourth Proportional to 42,772.04, 64,156.98 and 11,606.48

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Solution

The fourth proportional to 42,772.04, 64,156.98 and 11,606.48 is: 17,409.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,772.04 : 64,156.98 = 11,606.48 : x
  2. Step 2: Convert to fraction form
    42,772.04/64,156.98 = 11,606.48/x
  3. Step 3: Cross multiply
    42,772.04x = 64,156.98 × 11,606.48
  4. Step 4: Simplify right side
    42,772.04x = 744,636,705.23
  5. Step 5: Solve for x
    x = 744,636,705.23/42,772.04
  6. Step 6: Final answer
    x = 17,409.43

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1.5x scale

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.