Home / 105,334.02-157,985.49-38,758.68

Finding the Fourth Proportional to 105,334.02, 157,985.49 and 38,758.68

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Solution

The fourth proportional to 105,334.02, 157,985.49 and 38,758.68 is: 58,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,334.02 : 157,985.49 = 38,758.68 : x
  2. Step 2: Convert to fraction form
    105,334.02/157,985.49 = 38,758.68/x
  3. Step 3: Cross multiply
    105,334.02x = 157,985.49 × 38,758.68
  4. Step 4: Simplify right side
    105,334.02x = 6,123,309,051.55
  5. Step 5: Solve for x
    x = 6,123,309,051.55/105,334.02
  6. Step 6: Final answer
    x = 58,132.30

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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.