Home / 104,428.91-144,108.05-56,681.24

Finding the Fourth Proportional to 104,428.91, 144,108.05 and 56,681.24

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Solution

The fourth proportional to 104,428.91, 144,108.05 and 56,681.24 is: 78,218.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,428.91 : 144,108.05 = 56,681.24 : x
  2. Step 2: Convert to fraction form
    104,428.91/144,108.05 = 56,681.24/x
  3. Step 3: Cross multiply
    104,428.91x = 144,108.05 × 56,681.24
  4. Step 4: Simplify right side
    104,428.91x = 8,168,221,964.04
  5. Step 5: Solve for x
    x = 8,168,221,964.04/104,428.91
  6. Step 6: Final answer
    x = 78,218.01

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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.