Home / 85,730.32-118,305.16-47,488.33

Finding the Fourth Proportional to 85,730.32, 118,305.16 and 47,488.33

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Solution

The fourth proportional to 85,730.32, 118,305.16 and 47,488.33 is: 65,532.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,730.32 : 118,305.16 = 47,488.33 : x
  2. Step 2: Convert to fraction form
    85,730.32/118,305.16 = 47,488.33/x
  3. Step 3: Cross multiply
    85,730.32x = 118,305.16 × 47,488.33
  4. Step 4: Simplify right side
    85,730.32x = 5,618,114,478.78
  5. Step 5: Solve for x
    x = 5,618,114,478.78/85,730.32
  6. Step 6: Final answer
    x = 65,532.41

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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.