Home / 85,727.40-118,299.70-47,484.37

Finding the Fourth Proportional to 85,727.40, 118,299.70 and 47,484.37

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Solution

The fourth proportional to 85,727.40, 118,299.70 and 47,484.37 is: 65,526.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,727.40 : 118,299.70 = 47,484.37 : x
  2. Step 2: Convert to fraction form
    85,727.40/118,299.70 = 47,484.37/x
  3. Step 3: Cross multiply
    85,727.40x = 118,299.70 × 47,484.37
  4. Step 4: Simplify right side
    85,727.40x = 5,617,386,725.69
  5. Step 5: Solve for x
    x = 5,617,386,725.69/85,727.40
  6. Step 6: Final answer
    x = 65,526.15

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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.