Home / 104,521.40-144,240.09-56,775.14

Finding the Fourth Proportional to 104,521.40, 144,240.09 and 56,775.14

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Solution

The fourth proportional to 104,521.40, 144,240.09 and 56,775.14 is: 78,350.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,521.40 : 144,240.09 = 56,775.14 : x
  2. Step 2: Convert to fraction form
    104,521.40/144,240.09 = 56,775.14/x
  3. Step 3: Cross multiply
    104,521.40x = 144,240.09 × 56,775.14
  4. Step 4: Simplify right side
    104,521.40x = 8,189,251,303.36
  5. Step 5: Solve for x
    x = 8,189,251,303.36/104,521.40
  6. Step 6: Final answer
    x = 78,350.00

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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.