Home / 99,235.40-136,914.67-56,208.05

Finding the Fourth Proportional to 99,235.40, 136,914.67 and 56,208.05

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Solution

The fourth proportional to 99,235.40, 136,914.67 and 56,208.05 is: 77,550.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,235.40 : 136,914.67 = 56,208.05 : x
  2. Step 2: Convert to fraction form
    99,235.40/136,914.67 = 56,208.05/x
  3. Step 3: Cross multiply
    99,235.40x = 136,914.67 × 56,208.05
  4. Step 4: Simplify right side
    99,235.40x = 7,695,705,792.00
  5. Step 5: Solve for x
    x = 7,695,705,792.00/99,235.40
  6. Step 6: Final answer
    x = 77,550.01

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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.