Home / 84,741.68-116,953.90-48,931.65

Finding the Fourth Proportional to 84,741.68, 116,953.90 and 48,931.65

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Solution

The fourth proportional to 84,741.68, 116,953.90 and 48,931.65 is: 67,531.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,741.68 : 116,953.90 = 48,931.65 : x
  2. Step 2: Convert to fraction form
    84,741.68/116,953.90 = 48,931.65/x
  3. Step 3: Cross multiply
    84,741.68x = 116,953.90 × 48,931.65
  4. Step 4: Simplify right side
    84,741.68x = 5,722,747,178.61
  5. Step 5: Solve for x
    x = 5,722,747,178.61/84,741.68
  6. Step 6: Final answer
    x = 67,531.67

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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.