Home / 83,741.79-115,564.14-45,501.64

Finding the Fourth Proportional to 83,741.79, 115,564.14 and 45,501.64

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Solution

The fourth proportional to 83,741.79, 115,564.14 and 45,501.64 is: 62,792.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,741.79 : 115,564.14 = 45,501.64 : x
  2. Step 2: Convert to fraction form
    83,741.79/115,564.14 = 45,501.64/x
  3. Step 3: Cross multiply
    83,741.79x = 115,564.14 × 45,501.64
  4. Step 4: Simplify right side
    83,741.79x = 5,258,357,895.19
  5. Step 5: Solve for x
    x = 5,258,357,895.19/83,741.79
  6. Step 6: Final answer
    x = 62,792.52

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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.