Home / 112,342.50-168,643.35-57,055.14

Finding the Fourth Proportional to 112,342.50, 168,643.35 and 57,055.14

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Solution

The fourth proportional to 112,342.50, 168,643.35 and 57,055.14 is: 85,648.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,342.50 : 168,643.35 = 57,055.14 : x
  2. Step 2: Convert to fraction form
    112,342.50/168,643.35 = 57,055.14/x
  3. Step 3: Cross multiply
    112,342.50x = 168,643.35 × 57,055.14
  4. Step 4: Simplify right side
    112,342.50x = 9,621,969,944.32
  5. Step 5: Solve for x
    x = 9,621,969,944.32/112,342.50
  6. Step 6: Final answer
    x = 85,648.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.