Home / 48,058.02-72,036-28,345.86

Finding the Fourth Proportional to 48,058.02, 72,036 and 28,345.86

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Solution

The fourth proportional to 48,058.02, 72,036 and 28,345.86 is: 42,488.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,058.02 : 72,036 = 28,345.86 : x
  2. Step 2: Convert to fraction form
    48,058.02/72,036 = 28,345.86/x
  3. Step 3: Cross multiply
    48,058.02x = 72,036 × 28,345.86
  4. Step 4: Simplify right side
    48,058.02x = 2,041,922,370.96
  5. Step 5: Solve for x
    x = 2,041,922,370.96/48,058.02
  6. Step 6: Final answer
    x = 42,488.69

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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.