Home / 86,069.04-129,074.28-32,748.36

Finding the Fourth Proportional to 86,069.04, 129,074.28 and 32,748.36

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Solution

The fourth proportional to 86,069.04, 129,074.28 and 32,748.36 is: 49,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,069.04 : 129,074.28 = 32,748.36 : x
  2. Step 2: Convert to fraction form
    86,069.04/129,074.28 = 32,748.36/x
  3. Step 3: Cross multiply
    86,069.04x = 129,074.28 × 32,748.36
  4. Step 4: Simplify right side
    86,069.04x = 4,226,970,988.18
  5. Step 5: Solve for x
    x = 4,226,970,988.18/86,069.04
  6. Step 6: Final answer
    x = 49,111.40

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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.