Home / 99,234.51-136,955.57-56,792.13

Finding the Fourth Proportional to 99,234.51, 136,955.57 and 56,792.13

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Solution

The fourth proportional to 99,234.51, 136,955.57 and 56,792.13 is: 78,379.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,234.51 : 136,955.57 = 56,792.13 : x
  2. Step 2: Convert to fraction form
    99,234.51/136,955.57 = 56,792.13/x
  3. Step 3: Cross multiply
    99,234.51x = 136,955.57 × 56,792.13
  4. Step 4: Simplify right side
    99,234.51x = 7,777,998,535.66
  5. Step 5: Solve for x
    x = 7,777,998,535.66/99,234.51
  6. Step 6: Final answer
    x = 78,379.98

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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.