Home / 72,058.48-99,440.48-40,227.04

Finding the Fourth Proportional to 72,058.48, 99,440.48 and 40,227.04

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Solution

The fourth proportional to 72,058.48, 99,440.48 and 40,227.04 is: 55,513.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,058.48 : 99,440.48 = 40,227.04 : x
  2. Step 2: Convert to fraction form
    72,058.48/99,440.48 = 40,227.04/x
  3. Step 3: Cross multiply
    72,058.48x = 99,440.48 × 40,227.04
  4. Step 4: Simplify right side
    72,058.48x = 4,000,196,166.58
  5. Step 5: Solve for x
    x = 4,000,196,166.58/72,058.48
  6. Step 6: Final answer
    x = 55,513.19

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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.