Home / 71,599.23-98,810.43-39,767.45

Finding the Fourth Proportional to 71,599.23, 98,810.43 and 39,767.45

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Solution

The fourth proportional to 71,599.23, 98,810.43 and 39,767.45 is: 54,881.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,599.23 : 98,810.43 = 39,767.45 : x
  2. Step 2: Convert to fraction form
    71,599.23/98,810.43 = 39,767.45/x
  3. Step 3: Cross multiply
    71,599.23x = 98,810.43 × 39,767.45
  4. Step 4: Simplify right side
    71,599.23x = 3,929,438,340.45
  5. Step 5: Solve for x
    x = 3,929,438,340.45/71,599.23
  6. Step 6: Final answer
    x = 54,881.01

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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.