Home / 71,085.06-98,095.50-39,253.28

Finding the Fourth Proportional to 71,085.06, 98,095.50 and 39,253.28

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Solution

The fourth proportional to 71,085.06, 98,095.50 and 39,253.28 is: 54,168.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,085.06 : 98,095.50 = 39,253.28 : x
  2. Step 2: Convert to fraction form
    71,085.06/98,095.50 = 39,253.28/x
  3. Step 3: Cross multiply
    71,085.06x = 98,095.50 × 39,253.28
  4. Step 4: Simplify right side
    71,085.06x = 3,850,569,637.76
  5. Step 5: Solve for x
    x = 3,850,569,637.76/71,085.06
  6. Step 6: Final answer
    x = 54,168.48

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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.