Home / 88,890.53-122,693.12-50,670.20

Finding the Fourth Proportional to 88,890.53, 122,693.12 and 50,670.20

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Solution

The fourth proportional to 88,890.53, 122,693.12 and 50,670.20 is: 69,938.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,890.53 : 122,693.12 = 50,670.20 : x
  2. Step 2: Convert to fraction form
    88,890.53/122,693.12 = 50,670.20/x
  3. Step 3: Cross multiply
    88,890.53x = 122,693.12 × 50,670.20
  4. Step 4: Simplify right side
    88,890.53x = 6,216,884,062.21
  5. Step 5: Solve for x
    x = 6,216,884,062.21/88,890.53
  6. Step 6: Final answer
    x = 69,938.66

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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.