Home / 94,253.10-130,069.26-53,980.20

Finding the Fourth Proportional to 94,253.10, 130,069.26 and 53,980.20

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Solution

The fourth proportional to 94,253.10, 130,069.26 and 53,980.20 is: 74,492.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,253.10 : 130,069.26 = 53,980.20 : x
  2. Step 2: Convert to fraction form
    94,253.10/130,069.26 = 53,980.20/x
  3. Step 3: Cross multiply
    94,253.10x = 130,069.26 × 53,980.20
  4. Step 4: Simplify right side
    94,253.10x = 7,021,164,668.65
  5. Step 5: Solve for x
    x = 7,021,164,668.65/94,253.10
  6. Step 6: Final answer
    x = 74,492.67

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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.