Home / 85,208.29-117,544.19-65,030.13

Finding the Fourth Proportional to 85,208.29, 117,544.19 and 65,030.13

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Solution

The fourth proportional to 85,208.29, 117,544.19 and 65,030.13 is: 89,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,208.29 : 117,544.19 = 65,030.13 : x
  2. Step 2: Convert to fraction form
    85,208.29/117,544.19 = 65,030.13/x
  3. Step 3: Cross multiply
    85,208.29x = 117,544.19 × 65,030.13
  4. Step 4: Simplify right side
    85,208.29x = 7,643,913,631.29
  5. Step 5: Solve for x
    x = 7,643,913,631.29/85,208.29
  6. Step 6: Final answer
    x = 89,708.57

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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.