Home / 105,585.06-145,678.35-60,246.73

Finding the Fourth Proportional to 105,585.06, 145,678.35 and 60,246.73

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Solution

The fourth proportional to 105,585.06, 145,678.35 and 60,246.73 is: 83,123.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,585.06 : 145,678.35 = 60,246.73 : x
  2. Step 2: Convert to fraction form
    105,585.06/145,678.35 = 60,246.73/x
  3. Step 3: Cross multiply
    105,585.06x = 145,678.35 × 60,246.73
  4. Step 4: Simplify right side
    105,585.06x = 8,776,643,855.10
  5. Step 5: Solve for x
    x = 8,776,643,855.10/105,585.06
  6. Step 6: Final answer
    x = 83,123.92

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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.