Home / 93,781.77-129,426.03-53,496.42

Finding the Fourth Proportional to 93,781.77, 129,426.03 and 53,496.42

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Solution

The fourth proportional to 93,781.77, 129,426.03 and 53,496.42 is: 73,829.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,781.77 : 129,426.03 = 53,496.42 : x
  2. Step 2: Convert to fraction form
    93,781.77/129,426.03 = 53,496.42/x
  3. Step 3: Cross multiply
    93,781.77x = 129,426.03 × 53,496.42
  4. Step 4: Simplify right side
    93,781.77x = 6,923,829,259.81
  5. Step 5: Solve for x
    x = 6,923,829,259.81/93,781.77
  6. Step 6: Final answer
    x = 73,829.16

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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.