Home / 98,926.30-136,565.59-56,476.64

Finding the Fourth Proportional to 98,926.30, 136,565.59 and 56,476.64

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Solution

The fourth proportional to 98,926.30, 136,565.59 and 56,476.64 is: 77,964.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,926.30 : 136,565.59 = 56,476.64 : x
  2. Step 2: Convert to fraction form
    98,926.30/136,565.59 = 56,476.64/x
  3. Step 3: Cross multiply
    98,926.30x = 136,565.59 × 56,476.64
  4. Step 4: Simplify right side
    98,926.30x = 7,712,765,662.82
  5. Step 5: Solve for x
    x = 7,712,765,662.82/98,926.30
  6. Step 6: Final answer
    x = 77,964.76

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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.