Home / 211,088.61-316,634.54-61,339.05

Finding the Fourth Proportional to 211,088.61, 316,634.54 and 61,339.05

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Solution

The fourth proportional to 211,088.61, 316,634.54 and 61,339.05 is: 92,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,088.61 : 316,634.54 = 61,339.05 : x
  2. Step 2: Convert to fraction form
    211,088.61/316,634.54 = 61,339.05/x
  3. Step 3: Cross multiply
    211,088.61x = 316,634.54 × 61,339.05
  4. Step 4: Simplify right side
    211,088.61x = 19,422,061,574.09
  5. Step 5: Solve for x
    x = 19,422,061,574.09/211,088.61
  6. Step 6: Final answer
    x = 92,009.05

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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.