Home / 85,811.04-118,333.92-52,256.16

Finding the Fourth Proportional to 85,811.04, 118,333.92 and 52,256.16

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Solution

The fourth proportional to 85,811.04, 118,333.92 and 52,256.16 is: 72,061.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,811.04 : 118,333.92 = 52,256.16 : x
  2. Step 2: Convert to fraction form
    85,811.04/118,333.92 = 52,256.16/x
  3. Step 3: Cross multiply
    85,811.04x = 118,333.92 × 52,256.16
  4. Step 4: Simplify right side
    85,811.04x = 6,183,676,256.95
  5. Step 5: Solve for x
    x = 6,183,676,256.95/85,811.04
  6. Step 6: Final answer
    x = 72,061.55

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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.