Home / 76,852.62-106,056.54-42,864.12

Finding the Fourth Proportional to 76,852.62, 106,056.54 and 42,864.12

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Solution

The fourth proportional to 76,852.62, 106,056.54 and 42,864.12 is: 59,152.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,852.62 : 106,056.54 = 42,864.12 : x
  2. Step 2: Convert to fraction form
    76,852.62/106,056.54 = 42,864.12/x
  3. Step 3: Cross multiply
    76,852.62x = 106,056.54 × 42,864.12
  4. Step 4: Simplify right side
    76,852.62x = 4,546,020,257.34
  5. Step 5: Solve for x
    x = 4,546,020,257.34/76,852.62
  6. Step 6: Final answer
    x = 59,152.44

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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.