Home / 72,267.84-99,729.72-40,437.36

Finding the Fourth Proportional to 72,267.84, 99,729.72 and 40,437.36

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Solution

The fourth proportional to 72,267.84, 99,729.72 and 40,437.36 is: 55,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,267.84 : 99,729.72 = 40,437.36 : x
  2. Step 2: Convert to fraction form
    72,267.84/99,729.72 = 40,437.36/x
  3. Step 3: Cross multiply
    72,267.84x = 99,729.72 × 40,437.36
  4. Step 4: Simplify right side
    72,267.84x = 4,032,806,590.34
  5. Step 5: Solve for x
    x = 4,032,806,590.34/72,267.84
  6. Step 6: Final answer
    x = 55,803.61

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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.