Home / 72,262.77-99,727.52-40,434.63

Finding the Fourth Proportional to 72,262.77, 99,727.52 and 40,434.63

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Solution

The fourth proportional to 72,262.77, 99,727.52 and 40,434.63 is: 55,802.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,262.77 : 99,727.52 = 40,434.63 : x
  2. Step 2: Convert to fraction form
    72,262.77/99,727.52 = 40,434.63/x
  3. Step 3: Cross multiply
    72,262.77x = 99,727.52 × 40,434.63
  4. Step 4: Simplify right side
    72,262.77x = 4,032,445,169.84
  5. Step 5: Solve for x
    x = 4,032,445,169.84/72,262.77
  6. Step 6: Final answer
    x = 55,802.53

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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.