Home / 85,948.44-118,624-54,127.32

Finding the Fourth Proportional to 85,948.44, 118,624 and 54,127.32

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Solution

The fourth proportional to 85,948.44, 118,624 and 54,127.32 is: 74,705.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,948.44 : 118,624 = 54,127.32 : x
  2. Step 2: Convert to fraction form
    85,948.44/118,624 = 54,127.32/x
  3. Step 3: Cross multiply
    85,948.44x = 118,624 × 54,127.32
  4. Step 4: Simplify right side
    85,948.44x = 6,420,799,207.68
  5. Step 5: Solve for x
    x = 6,420,799,207.68/85,948.44
  6. Step 6: Final answer
    x = 74,705.24

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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.