Home / 79,225.31-109,331.03-43,416.63

Finding the Fourth Proportional to 79,225.31, 109,331.03 and 43,416.63

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Solution

The fourth proportional to 79,225.31, 109,331.03 and 43,416.63 is: 59,915.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,225.31 : 109,331.03 = 43,416.63 : x
  2. Step 2: Convert to fraction form
    79,225.31/109,331.03 = 43,416.63/x
  3. Step 3: Cross multiply
    79,225.31x = 109,331.03 × 43,416.63
  4. Step 4: Simplify right side
    79,225.31x = 4,746,784,985.57
  5. Step 5: Solve for x
    x = 4,746,784,985.57/79,225.31
  6. Step 6: Final answer
    x = 59,915.00

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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.