Home / 124,590.32-171,934.34-70,138.06

Finding the Fourth Proportional to 124,590.32, 171,934.34 and 70,138.06

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Solution

The fourth proportional to 124,590.32, 171,934.34 and 70,138.06 is: 96,790.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,590.32 : 171,934.34 = 70,138.06 : x
  2. Step 2: Convert to fraction form
    124,590.32/171,934.34 = 70,138.06/x
  3. Step 3: Cross multiply
    124,590.32x = 171,934.34 × 70,138.06
  4. Step 4: Simplify right side
    124,590.32x = 12,059,141,054.98
  5. Step 5: Solve for x
    x = 12,059,141,054.98/124,590.32
  6. Step 6: Final answer
    x = 96,790.35

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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.