Home / 74,068.32-102,210.36-40,527.84

Finding the Fourth Proportional to 74,068.32, 102,210.36 and 40,527.84

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Solution

The fourth proportional to 74,068.32, 102,210.36 and 40,527.84 is: 55,926.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,068.32 : 102,210.36 = 40,527.84 : x
  2. Step 2: Convert to fraction form
    74,068.32/102,210.36 = 40,527.84/x
  3. Step 3: Cross multiply
    74,068.32x = 102,210.36 × 40,527.84
  4. Step 4: Simplify right side
    74,068.32x = 4,142,365,116.42
  5. Step 5: Solve for x
    x = 4,142,365,116.42/74,068.32
  6. Step 6: Final answer
    x = 55,926.27

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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.