Home / 92,401.74-127,398.88-77,110.32

Finding the Fourth Proportional to 92,401.74, 127,398.88 and 77,110.32

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Solution

The fourth proportional to 92,401.74, 127,398.88 and 77,110.32 is: 106,315.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,401.74 : 127,398.88 = 77,110.32 : x
  2. Step 2: Convert to fraction form
    92,401.74/127,398.88 = 77,110.32/x
  3. Step 3: Cross multiply
    92,401.74x = 127,398.88 × 77,110.32
  4. Step 4: Simplify right side
    92,401.74x = 9,823,768,186.52
  5. Step 5: Solve for x
    x = 9,823,768,186.52/92,401.74
  6. Step 6: Final answer
    x = 106,315.84

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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.