Home / 72,235.16-99,476.61-59,543.28

Finding the Fourth Proportional to 72,235.16, 99,476.61 and 59,543.28

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Solution

The fourth proportional to 72,235.16, 99,476.61 and 59,543.28 is: 81,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,235.16 : 99,476.61 = 59,543.28 : x
  2. Step 2: Convert to fraction form
    72,235.16/99,476.61 = 59,543.28/x
  3. Step 3: Cross multiply
    72,235.16x = 99,476.61 × 59,543.28
  4. Step 4: Simplify right side
    72,235.16x = 5,923,163,642.68
  5. Step 5: Solve for x
    x = 5,923,163,642.68/72,235.16
  6. Step 6: Final answer
    x = 81,998.35

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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.