Home / 92,515.07-127,673.12-56,724.81

Finding the Fourth Proportional to 92,515.07, 127,673.12 and 56,724.81

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Solution

The fourth proportional to 92,515.07, 127,673.12 and 56,724.81 is: 78,281.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,515.07 : 127,673.12 = 56,724.81 : x
  2. Step 2: Convert to fraction form
    92,515.07/127,673.12 = 56,724.81/x
  3. Step 3: Cross multiply
    92,515.07x = 127,673.12 × 56,724.81
  4. Step 4: Simplify right side
    92,515.07x = 7,242,233,474.11
  5. Step 5: Solve for x
    x = 7,242,233,474.11/92,515.07
  6. Step 6: Final answer
    x = 78,281.66

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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.