Home / 75,459.02-113,188.11-19,299.04

Finding the Fourth Proportional to 75,459.02, 113,188.11 and 19,299.04

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Solution

The fourth proportional to 75,459.02, 113,188.11 and 19,299.04 is: 28,948.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,459.02 : 113,188.11 = 19,299.04 : x
  2. Step 2: Convert to fraction form
    75,459.02/113,188.11 = 19,299.04/x
  3. Step 3: Cross multiply
    75,459.02x = 113,188.11 × 19,299.04
  4. Step 4: Simplify right side
    75,459.02x = 2,184,421,862.41
  5. Step 5: Solve for x
    x = 2,184,421,862.41/75,459.02
  6. Step 6: Final answer
    x = 28,948.45

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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.