Home / 85,722.40-118,293.51-47,995.84

Finding the Fourth Proportional to 85,722.40, 118,293.51 and 47,995.84

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Solution

The fourth proportional to 85,722.40, 118,293.51 and 47,995.84 is: 66,232.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,722.40 : 118,293.51 = 47,995.84 : x
  2. Step 2: Convert to fraction form
    85,722.40/118,293.51 = 47,995.84/x
  3. Step 3: Cross multiply
    85,722.40x = 118,293.51 × 47,995.84
  4. Step 4: Simplify right side
    85,722.40x = 5,677,596,379.00
  5. Step 5: Solve for x
    x = 5,677,596,379.00/85,722.40
  6. Step 6: Final answer
    x = 66,232.35

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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.