Home / 74,501.52-102,812.04-42,668.88

Finding the Fourth Proportional to 74,501.52, 102,812.04 and 42,668.88

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Solution

The fourth proportional to 74,501.52, 102,812.04 and 42,668.88 is: 58,883.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,501.52 : 102,812.04 = 42,668.88 : x
  2. Step 2: Convert to fraction form
    74,501.52/102,812.04 = 42,668.88/x
  3. Step 3: Cross multiply
    74,501.52x = 102,812.04 × 42,668.88
  4. Step 4: Simplify right side
    74,501.52x = 4,386,874,597.32
  5. Step 5: Solve for x
    x = 4,386,874,597.32/74,501.52
  6. Step 6: Final answer
    x = 58,883.02

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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.