Home / 72,430.34-99,953.73-40,599.23

Finding the Fourth Proportional to 72,430.34, 99,953.73 and 40,599.23

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Solution

The fourth proportional to 72,430.34, 99,953.73 and 40,599.23 is: 56,026.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,430.34 : 99,953.73 = 40,599.23 : x
  2. Step 2: Convert to fraction form
    72,430.34/99,953.73 = 40,599.23/x
  3. Step 3: Cross multiply
    72,430.34x = 99,953.73 × 40,599.23
  4. Step 4: Simplify right side
    72,430.34x = 4,058,043,973.86
  5. Step 5: Solve for x
    x = 4,058,043,973.86/72,430.34
  6. Step 6: Final answer
    x = 56,026.86

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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.