Home / 76,064.20-104,966.76-42,071.80

Finding the Fourth Proportional to 76,064.20, 104,966.76 and 42,071.80

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Solution

The fourth proportional to 76,064.20, 104,966.76 and 42,071.80 is: 58,058.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,064.20 : 104,966.76 = 42,071.80 : x
  2. Step 2: Convert to fraction form
    76,064.20/104,966.76 = 42,071.80/x
  3. Step 3: Cross multiply
    76,064.20x = 104,966.76 × 42,071.80
  4. Step 4: Simplify right side
    76,064.20x = 4,416,140,533.37
  5. Step 5: Solve for x
    x = 4,416,140,533.37/76,064.20
  6. Step 6: Final answer
    x = 58,058.07

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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.