Home / 109,641.58-151,303.73-61,244.17

Finding the Fourth Proportional to 109,641.58, 151,303.73 and 61,244.17

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Solution

The fourth proportional to 109,641.58, 151,303.73 and 61,244.17 is: 84,516.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,641.58 : 151,303.73 = 61,244.17 : x
  2. Step 2: Convert to fraction form
    109,641.58/151,303.73 = 61,244.17/x
  3. Step 3: Cross multiply
    109,641.58x = 151,303.73 × 61,244.17
  4. Step 4: Simplify right side
    109,641.58x = 9,266,470,677.27
  5. Step 5: Solve for x
    x = 9,266,470,677.27/109,641.58
  6. Step 6: Final answer
    x = 84,516.03

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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.