Home / 93,585.40-129,147.91-51,143.94

Finding the Fourth Proportional to 93,585.40, 129,147.91 and 51,143.94

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Solution

The fourth proportional to 93,585.40, 129,147.91 and 51,143.94 is: 70,578.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,585.40 : 129,147.91 = 51,143.94 : x
  2. Step 2: Convert to fraction form
    93,585.40/129,147.91 = 51,143.94/x
  3. Step 3: Cross multiply
    93,585.40x = 129,147.91 × 51,143.94
  4. Step 4: Simplify right side
    93,585.40x = 6,605,132,960.17
  5. Step 5: Solve for x
    x = 6,605,132,960.17/93,585.40
  6. Step 6: Final answer
    x = 70,578.67

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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.