Home / 85,568.47-118,088.65-47,327.87

Finding the Fourth Proportional to 85,568.47, 118,088.65 and 47,327.87

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Solution

The fourth proportional to 85,568.47, 118,088.65 and 47,327.87 is: 65,314.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,568.47 : 118,088.65 = 47,327.87 : x
  2. Step 2: Convert to fraction form
    85,568.47/118,088.65 = 47,327.87/x
  3. Step 3: Cross multiply
    85,568.47x = 118,088.65 × 47,327.87
  4. Step 4: Simplify right side
    85,568.47x = 5,588,883,566.91
  5. Step 5: Solve for x
    x = 5,588,883,566.91/85,568.47
  6. Step 6: Final answer
    x = 65,314.75

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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.