Home / 91,542.84-137,544.32-58,277.76

Finding the Fourth Proportional to 91,542.84, 137,544.32 and 58,277.76

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Solution

The fourth proportional to 91,542.84, 137,544.32 and 58,277.76 is: 87,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,542.84 : 137,544.32 = 58,277.76 : x
  2. Step 2: Convert to fraction form
    91,542.84/137,544.32 = 58,277.76/x
  3. Step 3: Cross multiply
    91,542.84x = 137,544.32 × 58,277.76
  4. Step 4: Simplify right side
    91,542.84x = 8,015,774,870.32
  5. Step 5: Solve for x
    x = 8,015,774,870.32/91,542.84
  6. Step 6: Final answer
    x = 87,563.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.