Home / 85,727.79-118,300.21-47,484.75

Finding the Fourth Proportional to 85,727.79, 118,300.21 and 47,484.75

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Solution

The fourth proportional to 85,727.79, 118,300.21 and 47,484.75 is: 65,526.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,727.79 : 118,300.21 = 47,484.75 : x
  2. Step 2: Convert to fraction form
    85,727.79/118,300.21 = 47,484.75/x
  3. Step 3: Cross multiply
    85,727.79x = 118,300.21 × 47,484.75
  4. Step 4: Simplify right side
    85,727.79x = 5,617,455,896.80
  5. Step 5: Solve for x
    x = 5,617,455,896.80/85,727.79
  6. Step 6: Final answer
    x = 65,526.66

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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.