Home / 84,589.08-116,728.59-48,776.94

Finding the Fourth Proportional to 84,589.08, 116,728.59 and 48,776.94

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Solution

The fourth proportional to 84,589.08, 116,728.59 and 48,776.94 is: 67,309.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,589.08 : 116,728.59 = 48,776.94 : x
  2. Step 2: Convert to fraction form
    84,589.08/116,728.59 = 48,776.94/x
  3. Step 3: Cross multiply
    84,589.08x = 116,728.59 × 48,776.94
  4. Step 4: Simplify right side
    84,589.08x = 5,693,663,430.71
  5. Step 5: Solve for x
    x = 5,693,663,430.71/84,589.08
  6. Step 6: Final answer
    x = 67,309.67

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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.