Home / 99,175.51-136,861.78-53,853.13

Finding the Fourth Proportional to 99,175.51, 136,861.78 and 53,853.13

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Solution

The fourth proportional to 99,175.51, 136,861.78 and 53,853.13 is: 74,317.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,175.51 : 136,861.78 = 53,853.13 : x
  2. Step 2: Convert to fraction form
    99,175.51/136,861.78 = 53,853.13/x
  3. Step 3: Cross multiply
    99,175.51x = 136,861.78 × 53,853.13
  4. Step 4: Simplify right side
    99,175.51x = 7,370,434,831.40
  5. Step 5: Solve for x
    x = 7,370,434,831.40/99,175.51
  6. Step 6: Final answer
    x = 74,317.08

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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.