Home / 72,058.04-99,441.77-45,201.68

Finding the Fourth Proportional to 72,058.04, 99,441.77 and 45,201.68

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Solution

The fourth proportional to 72,058.04, 99,441.77 and 45,201.68 is: 62,379.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,058.04 : 99,441.77 = 45,201.68 : x
  2. Step 2: Convert to fraction form
    72,058.04/99,441.77 = 45,201.68/x
  3. Step 3: Cross multiply
    72,058.04x = 99,441.77 × 45,201.68
  4. Step 4: Simplify right side
    72,058.04x = 4,494,934,342.96
  5. Step 5: Solve for x
    x = 4,494,934,342.96/72,058.04
  6. Step 6: Final answer
    x = 62,379.36

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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.