Home / 105,730.16-158,613.02-52,424.77

Finding the Fourth Proportional to 105,730.16, 158,613.02 and 52,424.77

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Solution

The fourth proportional to 105,730.16, 158,613.02 and 52,424.77 is: 78,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,730.16 : 158,613.02 = 52,424.77 : x
  2. Step 2: Convert to fraction form
    105,730.16/158,613.02 = 52,424.77/x
  3. Step 3: Cross multiply
    105,730.16x = 158,613.02 × 52,424.77
  4. Step 4: Simplify right side
    105,730.16x = 8,315,251,092.51
  5. Step 5: Solve for x
    x = 8,315,251,092.51/105,730.16
  6. Step 6: Final answer
    x = 78,645.97

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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.