Home / 72,985.42-100,718.54-41,154.35

Finding the Fourth Proportional to 72,985.42, 100,718.54 and 41,154.35

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Solution

The fourth proportional to 72,985.42, 100,718.54 and 41,154.35 is: 56,792.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,985.42 : 100,718.54 = 41,154.35 : x
  2. Step 2: Convert to fraction form
    72,985.42/100,718.54 = 41,154.35/x
  3. Step 3: Cross multiply
    72,985.42x = 100,718.54 × 41,154.35
  4. Step 4: Simplify right side
    72,985.42x = 4,145,005,491.61
  5. Step 5: Solve for x
    x = 4,145,005,491.61/72,985.42
  6. Step 6: Final answer
    x = 56,792.24

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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.