Home / 85,931.25-118,583.67-48,204.69

Finding the Fourth Proportional to 85,931.25, 118,583.67 and 48,204.69

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Solution

The fourth proportional to 85,931.25, 118,583.67 and 48,204.69 is: 66,521.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,931.25 : 118,583.67 = 48,204.69 : x
  2. Step 2: Convert to fraction form
    85,931.25/118,583.67 = 48,204.69/x
  3. Step 3: Cross multiply
    85,931.25x = 118,583.67 × 48,204.69
  4. Step 4: Simplify right side
    85,931.25x = 5,716,289,051.41
  5. Step 5: Solve for x
    x = 5,716,289,051.41/85,931.25
  6. Step 6: Final answer
    x = 66,521.66

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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.