Home / 104,459.12-144,151.34-56,712.06

Finding the Fourth Proportional to 104,459.12, 144,151.34 and 56,712.06

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Solution

The fourth proportional to 104,459.12, 144,151.34 and 56,712.06 is: 78,261.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,459.12 : 144,151.34 = 56,712.06 : x
  2. Step 2: Convert to fraction form
    104,459.12/144,151.34 = 56,712.06/x
  3. Step 3: Cross multiply
    104,459.12x = 144,151.34 × 56,712.06
  4. Step 4: Simplify right side
    104,459.12x = 8,175,119,443.16
  5. Step 5: Solve for x
    x = 8,175,119,443.16/104,459.12
  6. Step 6: Final answer
    x = 78,261.42

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1.5x scale

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.