Home / 71,303.06-98,398.70-39,471.26

Finding the Fourth Proportional to 71,303.06, 98,398.70 and 39,471.26

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Solution

The fourth proportional to 71,303.06, 98,398.70 and 39,471.26 is: 54,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,303.06 : 98,398.70 = 39,471.26 : x
  2. Step 2: Convert to fraction form
    71,303.06/98,398.70 = 39,471.26/x
  3. Step 3: Cross multiply
    71,303.06x = 98,398.70 × 39,471.26
  4. Step 4: Simplify right side
    71,303.06x = 3,883,920,671.36
  5. Step 5: Solve for x
    x = 3,883,920,671.36/71,303.06
  6. Step 6: Final answer
    x = 54,470.60

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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.