Home / 72,347.47-99,819.96-41,719.75

Finding the Fourth Proportional to 72,347.47, 99,819.96 and 41,719.75

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Solution

The fourth proportional to 72,347.47, 99,819.96 and 41,719.75 is: 57,561.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,347.47 : 99,819.96 = 41,719.75 : x
  2. Step 2: Convert to fraction form
    72,347.47/99,819.96 = 41,719.75/x
  3. Step 3: Cross multiply
    72,347.47x = 99,819.96 × 41,719.75
  4. Step 4: Simplify right side
    72,347.47x = 4,164,463,776.21
  5. Step 5: Solve for x
    x = 4,164,463,776.21/72,347.47
  6. Step 6: Final answer
    x = 57,561.98

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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.