Home / 71,541.06-98,725.95-39,709.14

Finding the Fourth Proportional to 71,541.06, 98,725.95 and 39,709.14

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Solution

The fourth proportional to 71,541.06, 98,725.95 and 39,709.14 is: 54,798.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,541.06 : 98,725.95 = 39,709.14 : x
  2. Step 2: Convert to fraction form
    71,541.06/98,725.95 = 39,709.14/x
  3. Step 3: Cross multiply
    71,541.06x = 98,725.95 × 39,709.14
  4. Step 4: Simplify right side
    71,541.06x = 3,920,322,570.18
  5. Step 5: Solve for x
    x = 3,920,322,570.18/71,541.06
  6. Step 6: Final answer
    x = 54,798.22

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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.