Home / 85,762.32-118,350.48-48,037.92

Finding the Fourth Proportional to 85,762.32, 118,350.48 and 48,037.92

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Solution

The fourth proportional to 85,762.32, 118,350.48 and 48,037.92 is: 66,291.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,762.32 : 118,350.48 = 48,037.92 : x
  2. Step 2: Convert to fraction form
    85,762.32/118,350.48 = 48,037.92/x
  3. Step 3: Cross multiply
    85,762.32x = 118,350.48 × 48,037.92
  4. Step 4: Simplify right side
    85,762.32x = 5,685,310,890.20
  5. Step 5: Solve for x
    x = 5,685,310,890.20/85,762.32
  6. Step 6: Final answer
    x = 66,291.48

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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.