Home / 85,727.90-118,300.40-47,484.88

Finding the Fourth Proportional to 85,727.90, 118,300.40 and 47,484.88

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Solution

The fourth proportional to 85,727.90, 118,300.40 and 47,484.88 is: 65,526.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,727.90 : 118,300.40 = 47,484.88 : x
  2. Step 2: Convert to fraction form
    85,727.90/118,300.40 = 47,484.88/x
  3. Step 3: Cross multiply
    85,727.90x = 118,300.40 × 47,484.88
  4. Step 4: Simplify right side
    85,727.90x = 5,617,480,297.95
  5. Step 5: Solve for x
    x = 5,617,480,297.95/85,727.90
  6. Step 6: Final answer
    x = 65,526.86

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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.