Home / 107,738.74-148,678.06-59,339.75

Finding the Fourth Proportional to 107,738.74, 148,678.06 and 59,339.75

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Solution

The fourth proportional to 107,738.74, 148,678.06 and 59,339.75 is: 81,888.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,738.74 : 148,678.06 = 59,339.75 : x
  2. Step 2: Convert to fraction form
    107,738.74/148,678.06 = 59,339.75/x
  3. Step 3: Cross multiply
    107,738.74x = 148,678.06 × 59,339.75
  4. Step 4: Simplify right side
    107,738.74x = 8,822,518,910.89
  5. Step 5: Solve for x
    x = 8,822,518,910.89/107,738.74
  6. Step 6: Final answer
    x = 81,888.08

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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.