Home / 88,109.25-121,535.45-52,273.89

Finding the Fourth Proportional to 88,109.25, 121,535.45 and 52,273.89

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Solution

The fourth proportional to 88,109.25, 121,535.45 and 52,273.89 is: 72,105.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,109.25 : 121,535.45 = 52,273.89 : x
  2. Step 2: Convert to fraction form
    88,109.25/121,535.45 = 52,273.89/x
  3. Step 3: Cross multiply
    88,109.25x = 121,535.45 × 52,273.89
  4. Step 4: Simplify right side
    88,109.25x = 6,353,130,483.03
  5. Step 5: Solve for x
    x = 6,353,130,483.03/88,109.25
  6. Step 6: Final answer
    x = 72,105.15

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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.