Home / 112,621.52-155,419.08-62,325.20

Finding the Fourth Proportional to 112,621.52, 155,419.08 and 62,325.20

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Solution

The fourth proportional to 112,621.52, 155,419.08 and 62,325.20 is: 86,009.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,621.52 : 155,419.08 = 62,325.20 : x
  2. Step 2: Convert to fraction form
    112,621.52/155,419.08 = 62,325.20/x
  3. Step 3: Cross multiply
    112,621.52x = 155,419.08 × 62,325.20
  4. Step 4: Simplify right side
    112,621.52x = 9,686,525,244.82
  5. Step 5: Solve for x
    x = 9,686,525,244.82/112,621.52
  6. Step 6: Final answer
    x = 86,009.54

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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.