Home / 112,032-154,607.40-61,734.24

Finding the Fourth Proportional to 112,032, 154,607.40 and 61,734.24

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Solution

The fourth proportional to 112,032, 154,607.40 and 61,734.24 is: 85,195.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,032 : 154,607.40 = 61,734.24 : x
  2. Step 2: Convert to fraction form
    112,032/154,607.40 = 61,734.24/x
  3. Step 3: Cross multiply
    112,032x = 154,607.40 × 61,734.24
  4. Step 4: Simplify right side
    112,032x = 9,544,570,337.38
  5. Step 5: Solve for x
    x = 9,544,570,337.38/112,032
  6. Step 6: Final answer
    x = 85,195.04

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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.