Home / 92,519.36-127,679.21-56,208.45

Finding the Fourth Proportional to 92,519.36, 127,679.21 and 56,208.45

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Solution

The fourth proportional to 92,519.36, 127,679.21 and 56,208.45 is: 77,569.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,519.36 : 127,679.21 = 56,208.45 : x
  2. Step 2: Convert to fraction form
    92,519.36/127,679.21 = 56,208.45/x
  3. Step 3: Cross multiply
    92,519.36x = 127,679.21 × 56,208.45
  4. Step 4: Simplify right side
    92,519.36x = 7,176,650,339.75
  5. Step 5: Solve for x
    x = 7,176,650,339.75/92,519.36
  6. Step 6: Final answer
    x = 77,569.17

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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.