Home / 92,419.32-127,538.70-49,977.84

Finding the Fourth Proportional to 92,419.32, 127,538.70 and 49,977.84

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Solution

The fourth proportional to 92,419.32, 127,538.70 and 49,977.84 is: 68,969.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,419.32 : 127,538.70 = 49,977.84 : x
  2. Step 2: Convert to fraction form
    92,419.32/127,538.70 = 49,977.84/x
  3. Step 3: Cross multiply
    92,419.32x = 127,538.70 × 49,977.84
  4. Step 4: Simplify right side
    92,419.32x = 6,374,109,061.25
  5. Step 5: Solve for x
    x = 6,374,109,061.25/92,419.32
  6. Step 6: Final answer
    x = 68,969.45

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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.