Home / 72,160.86-99,625.05-45,326.34

Finding the Fourth Proportional to 72,160.86, 99,625.05 and 45,326.34

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Solution

The fourth proportional to 72,160.86, 99,625.05 and 45,326.34 is: 62,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,160.86 : 99,625.05 = 45,326.34 : x
  2. Step 2: Convert to fraction form
    72,160.86/99,625.05 = 45,326.34/x
  3. Step 3: Cross multiply
    72,160.86x = 99,625.05 × 45,326.34
  4. Step 4: Simplify right side
    72,160.86x = 4,515,638,888.82
  5. Step 5: Solve for x
    x = 4,515,638,888.82/72,160.86
  6. Step 6: Final answer
    x = 62,577.40

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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.