Home / 105,364.14-145,403.28-59,424.36

Finding the Fourth Proportional to 105,364.14, 145,403.28 and 59,424.36

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Solution

The fourth proportional to 105,364.14, 145,403.28 and 59,424.36 is: 82,006.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,364.14 : 145,403.28 = 59,424.36 : x
  2. Step 2: Convert to fraction form
    105,364.14/145,403.28 = 59,424.36/x
  3. Step 3: Cross multiply
    105,364.14x = 145,403.28 × 59,424.36
  4. Step 4: Simplify right side
    105,364.14x = 8,640,496,855.90
  5. Step 5: Solve for x
    x = 8,640,496,855.90/105,364.14
  6. Step 6: Final answer
    x = 82,006.05

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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.