Home / 85,050.68-117,246.96-56,322.14

Finding the Fourth Proportional to 85,050.68, 117,246.96 and 56,322.14

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Solution

The fourth proportional to 85,050.68, 117,246.96 and 56,322.14 is: 77,643.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,050.68 : 117,246.96 = 56,322.14 : x
  2. Step 2: Convert to fraction form
    85,050.68/117,246.96 = 56,322.14/x
  3. Step 3: Cross multiply
    85,050.68x = 117,246.96 × 56,322.14
  4. Step 4: Simplify right side
    85,050.68x = 6,603,599,109.46
  5. Step 5: Solve for x
    x = 6,603,599,109.46/85,050.68
  6. Step 6: Final answer
    x = 77,643.11

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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.