Home / 85,228.81-117,613.59-46,987.46

Finding the Fourth Proportional to 85,228.81, 117,613.59 and 46,987.46

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Solution

The fourth proportional to 85,228.81, 117,613.59 and 46,987.46 is: 64,841.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,228.81 : 117,613.59 = 46,987.46 : x
  2. Step 2: Convert to fraction form
    85,228.81/117,613.59 = 46,987.46/x
  3. Step 3: Cross multiply
    85,228.81x = 117,613.59 × 46,987.46
  4. Step 4: Simplify right side
    85,228.81x = 5,526,363,532.36
  5. Step 5: Solve for x
    x = 5,526,363,532.36/85,228.81
  6. Step 6: Final answer
    x = 64,841.50

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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.