Home / 105,692.04-145,859.54-63,242.37

Finding the Fourth Proportional to 105,692.04, 145,859.54 and 63,242.37

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Solution

The fourth proportional to 105,692.04, 145,859.54 and 63,242.37 is: 87,277.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,692.04 : 145,859.54 = 63,242.37 : x
  2. Step 2: Convert to fraction form
    105,692.04/145,859.54 = 63,242.37/x
  3. Step 3: Cross multiply
    105,692.04x = 145,859.54 × 63,242.37
  4. Step 4: Simplify right side
    105,692.04x = 9,224,502,680.50
  5. Step 5: Solve for x
    x = 9,224,502,680.50/105,692.04
  6. Step 6: Final answer
    x = 87,277.18

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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.