Home / 105,701.77-158,528.40-63,019.28

Finding the Fourth Proportional to 105,701.77, 158,528.40 and 63,019.28

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Solution

The fourth proportional to 105,701.77, 158,528.40 and 63,019.28 is: 94,514.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,701.77 : 158,528.40 = 63,019.28 : x
  2. Step 2: Convert to fraction form
    105,701.77/158,528.40 = 63,019.28/x
  3. Step 3: Cross multiply
    105,701.77x = 158,528.40 × 63,019.28
  4. Step 4: Simplify right side
    105,701.77x = 9,990,344,916.13
  5. Step 5: Solve for x
    x = 9,990,344,916.13/105,701.77
  6. Step 6: Final answer
    x = 94,514.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.