Home / 109,607.72-151,258.02-59,305.64

Finding the Fourth Proportional to 109,607.72, 151,258.02 and 59,305.64

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Solution

The fourth proportional to 109,607.72, 151,258.02 and 59,305.64 is: 81,841.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,607.72 : 151,258.02 = 59,305.64 : x
  2. Step 2: Convert to fraction form
    109,607.72/151,258.02 = 59,305.64/x
  3. Step 3: Cross multiply
    109,607.72x = 151,258.02 × 59,305.64
  4. Step 4: Simplify right side
    109,607.72x = 8,970,453,681.23
  5. Step 5: Solve for x
    x = 8,970,453,681.23/109,607.72
  6. Step 6: Final answer
    x = 81,841.44

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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.