Home / 74,071.36-102,215.84-42,250.48

Finding the Fourth Proportional to 74,071.36, 102,215.84 and 42,250.48

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Solution

The fourth proportional to 74,071.36, 102,215.84 and 42,250.48 is: 58,304.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,071.36 : 102,215.84 = 42,250.48 : x
  2. Step 2: Convert to fraction form
    74,071.36/102,215.84 = 42,250.48/x
  3. Step 3: Cross multiply
    74,071.36x = 102,215.84 × 42,250.48
  4. Step 4: Simplify right side
    74,071.36x = 4,318,668,303.60
  5. Step 5: Solve for x
    x = 4,318,668,303.60/74,071.36
  6. Step 6: Final answer
    x = 58,304.16

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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.