Home / 92,478.36-127,551.48-56,179.62

Finding the Fourth Proportional to 92,478.36, 127,551.48 and 56,179.62

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Solution

The fourth proportional to 92,478.36, 127,551.48 and 56,179.62 is: 77,486.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,478.36 : 127,551.48 = 56,179.62 : x
  2. Step 2: Convert to fraction form
    92,478.36/127,551.48 = 56,179.62/x
  3. Step 3: Cross multiply
    92,478.36x = 127,551.48 × 56,179.62
  4. Step 4: Simplify right side
    92,478.36x = 7,165,793,676.84
  5. Step 5: Solve for x
    x = 7,165,793,676.84/92,478.36
  6. Step 6: Final answer
    x = 77,486.17

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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.