Home / 78,570.24-117,854.73-52,035

Finding the Fourth Proportional to 78,570.24, 117,854.73 and 52,035

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Solution

The fourth proportional to 78,570.24, 117,854.73 and 52,035 is: 78,052.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,570.24 : 117,854.73 = 52,035 : x
  2. Step 2: Convert to fraction form
    78,570.24/117,854.73 = 52,035/x
  3. Step 3: Cross multiply
    78,570.24x = 117,854.73 × 52,035
  4. Step 4: Simplify right side
    78,570.24x = 6,132,570,875.55
  5. Step 5: Solve for x
    x = 6,132,570,875.55/78,570.24
  6. Step 6: Final answer
    x = 78,052.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.