Home / 93,585.16-129,147.57-51,143.69

Finding the Fourth Proportional to 93,585.16, 129,147.57 and 51,143.69

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Solution

The fourth proportional to 93,585.16, 129,147.57 and 51,143.69 is: 70,578.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,585.16 : 129,147.57 = 51,143.69 : x
  2. Step 2: Convert to fraction form
    93,585.16/129,147.57 = 51,143.69/x
  3. Step 3: Cross multiply
    93,585.16x = 129,147.57 × 51,143.69
  4. Step 4: Simplify right side
    93,585.16x = 6,605,082,638.60
  5. Step 5: Solve for x
    x = 6,605,082,638.60/93,585.16
  6. Step 6: Final answer
    x = 70,578.31

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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.