Home / 74,103.04-102,260.64-45,412.84

Finding the Fourth Proportional to 74,103.04, 102,260.64 and 45,412.84

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Solution

The fourth proportional to 74,103.04, 102,260.64 and 45,412.84 is: 62,668.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,103.04 : 102,260.64 = 45,412.84 : x
  2. Step 2: Convert to fraction form
    74,103.04/102,260.64 = 45,412.84/x
  3. Step 3: Cross multiply
    74,103.04x = 102,260.64 × 45,412.84
  4. Step 4: Simplify right side
    74,103.04x = 4,643,946,082.62
  5. Step 5: Solve for x
    x = 4,643,946,082.62/74,103.04
  6. Step 6: Final answer
    x = 62,668.77

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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.