Home / 85,585.51-118,098.86-47,338.97

Finding the Fourth Proportional to 85,585.51, 118,098.86 and 47,338.97

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Solution

The fourth proportional to 85,585.51, 118,098.86 and 47,338.97 is: 65,322.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,585.51 : 118,098.86 = 47,338.97 : x
  2. Step 2: Convert to fraction form
    85,585.51/118,098.86 = 47,338.97/x
  3. Step 3: Cross multiply
    85,585.51x = 118,098.86 × 47,338.97
  4. Step 4: Simplify right side
    85,585.51x = 5,590,678,449.13
  5. Step 5: Solve for x
    x = 5,590,678,449.13/85,585.51
  6. Step 6: Final answer
    x = 65,322.72

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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.