Home / 76,070.27-104,968.89-42,073.35

Finding the Fourth Proportional to 76,070.27, 104,968.89 and 42,073.35

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Solution

The fourth proportional to 76,070.27, 104,968.89 and 42,073.35 is: 58,056.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,070.27 : 104,968.89 = 42,073.35 : x
  2. Step 2: Convert to fraction form
    76,070.27/104,968.89 = 42,073.35/x
  3. Step 3: Cross multiply
    76,070.27x = 104,968.89 × 42,073.35
  4. Step 4: Simplify right side
    76,070.27x = 4,416,392,848.08
  5. Step 5: Solve for x
    x = 4,416,392,848.08/76,070.27
  6. Step 6: Final answer
    x = 58,056.76

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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.