Home / 97,150.05-134,064.45-54,707.67

Finding the Fourth Proportional to 97,150.05, 134,064.45 and 54,707.67

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Solution

The fourth proportional to 97,150.05, 134,064.45 and 54,707.67 is: 75,495.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,150.05 : 134,064.45 = 54,707.67 : x
  2. Step 2: Convert to fraction form
    97,150.05/134,064.45 = 54,707.67/x
  3. Step 3: Cross multiply
    97,150.05x = 134,064.45 × 54,707.67
  4. Step 4: Simplify right side
    97,150.05x = 7,334,353,689.33
  5. Step 5: Solve for x
    x = 7,334,353,689.33/97,150.05
  6. Step 6: Final answer
    x = 75,495.11

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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.