Home / 91,886.59-126,817.21-56,097.35

Finding the Fourth Proportional to 91,886.59, 126,817.21 and 56,097.35

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Solution

The fourth proportional to 91,886.59, 126,817.21 and 56,097.35 is: 77,422.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,886.59 : 126,817.21 = 56,097.35 : x
  2. Step 2: Convert to fraction form
    91,886.59/126,817.21 = 56,097.35/x
  3. Step 3: Cross multiply
    91,886.59x = 126,817.21 × 56,097.35
  4. Step 4: Simplify right side
    91,886.59x = 7,114,109,415.39
  5. Step 5: Solve for x
    x = 7,114,109,415.39/91,886.59
  6. Step 6: Final answer
    x = 77,422.72

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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.