Home / 76,487.55-105,679.53-60,477.36

Finding the Fourth Proportional to 76,487.55, 105,679.53 and 60,477.36

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Solution

The fourth proportional to 76,487.55, 105,679.53 and 60,477.36 is: 83,558.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,487.55 : 105,679.53 = 60,477.36 : x
  2. Step 2: Convert to fraction form
    76,487.55/105,679.53 = 60,477.36/x
  3. Step 3: Cross multiply
    76,487.55x = 105,679.53 × 60,477.36
  4. Step 4: Simplify right side
    76,487.55x = 6,391,218,980.44
  5. Step 5: Solve for x
    x = 6,391,218,980.44/76,487.55
  6. Step 6: Final answer
    x = 83,558.94

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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.