Home / 102,601.74-141,641.97-64,416.72

Finding the Fourth Proportional to 102,601.74, 141,641.97 and 64,416.72

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Solution

The fourth proportional to 102,601.74, 141,641.97 and 64,416.72 is: 88,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,601.74 : 141,641.97 = 64,416.72 : x
  2. Step 2: Convert to fraction form
    102,601.74/141,641.97 = 64,416.72/x
  3. Step 3: Cross multiply
    102,601.74x = 141,641.97 × 64,416.72
  4. Step 4: Simplify right side
    102,601.74x = 9,124,110,614.60
  5. Step 5: Solve for x
    x = 9,124,110,614.60/102,601.74
  6. Step 6: Final answer
    x = 88,927.45

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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.