Home / 109,605.48-151,256.10-59,304.60

Finding the Fourth Proportional to 109,605.48, 151,256.10 and 59,304.60

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Solution

The fourth proportional to 109,605.48, 151,256.10 and 59,304.60 is: 81,840.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,605.48 : 151,256.10 = 59,304.60 : x
  2. Step 2: Convert to fraction form
    109,605.48/151,256.10 = 59,304.60/x
  3. Step 3: Cross multiply
    109,605.48x = 151,256.10 × 59,304.60
  4. Step 4: Simplify right side
    109,605.48x = 8,970,182,508.06
  5. Step 5: Solve for x
    x = 8,970,182,508.06/109,605.48
  6. Step 6: Final answer
    x = 81,840.64

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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.