Home / 88,012.53-121,459.23-52,189.47

Finding the Fourth Proportional to 88,012.53, 121,459.23 and 52,189.47

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Solution

The fourth proportional to 88,012.53, 121,459.23 and 52,189.47 is: 72,022.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,012.53 : 121,459.23 = 52,189.47 : x
  2. Step 2: Convert to fraction form
    88,012.53/121,459.23 = 52,189.47/x
  3. Step 3: Cross multiply
    88,012.53x = 121,459.23 × 52,189.47
  4. Step 4: Simplify right side
    88,012.53x = 6,338,892,840.31
  5. Step 5: Solve for x
    x = 6,338,892,840.31/88,012.53
  6. Step 6: Final answer
    x = 72,022.62

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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.