Home / 76,070.68-104,973.18-42,077.08

Finding the Fourth Proportional to 76,070.68, 104,973.18 and 42,077.08

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Solution

The fourth proportional to 76,070.68, 104,973.18 and 42,077.08 is: 58,063.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,070.68 : 104,973.18 = 42,077.08 : x
  2. Step 2: Convert to fraction form
    76,070.68/104,973.18 = 42,077.08/x
  3. Step 3: Cross multiply
    76,070.68x = 104,973.18 × 42,077.08
  4. Step 4: Simplify right side
    76,070.68x = 4,416,964,892.71
  5. Step 5: Solve for x
    x = 4,416,964,892.71/76,070.68
  6. Step 6: Final answer
    x = 58,063.96

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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.