Home / 99,946.35-137,925.65-54,624.33

Finding the Fourth Proportional to 99,946.35, 137,925.65 and 54,624.33

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Solution

The fourth proportional to 99,946.35, 137,925.65 and 54,624.33 is: 75,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,946.35 : 137,925.65 = 54,624.33 : x
  2. Step 2: Convert to fraction form
    99,946.35/137,925.65 = 54,624.33/x
  3. Step 3: Cross multiply
    99,946.35x = 137,925.65 × 54,624.33
  4. Step 4: Simplify right side
    99,946.35x = 7,534,095,947.94
  5. Step 5: Solve for x
    x = 7,534,095,947.94/99,946.35
  6. Step 6: Final answer
    x = 75,381.40

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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.