Home / 112,004.08-154,565.62-61,703.08

Finding the Fourth Proportional to 112,004.08, 154,565.62 and 61,703.08

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Solution

The fourth proportional to 112,004.08, 154,565.62 and 61,703.08 is: 85,150.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,004.08 : 154,565.62 = 61,703.08 : x
  2. Step 2: Convert to fraction form
    112,004.08/154,565.62 = 61,703.08/x
  3. Step 3: Cross multiply
    112,004.08x = 154,565.62 × 61,703.08
  4. Step 4: Simplify right side
    112,004.08x = 9,537,174,816.11
  5. Step 5: Solve for x
    x = 9,537,174,816.11/112,004.08
  6. Step 6: Final answer
    x = 85,150.24

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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.