Home / 48,582.15-72,616.86-42,207.03

Finding the Fourth Proportional to 48,582.15, 72,616.86 and 42,207.03

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Solution

The fourth proportional to 48,582.15, 72,616.86 and 42,207.03 is: 63,087.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,582.15 : 72,616.86 = 42,207.03 : x
  2. Step 2: Convert to fraction form
    48,582.15/72,616.86 = 42,207.03/x
  3. Step 3: Cross multiply
    48,582.15x = 72,616.86 × 42,207.03
  4. Step 4: Simplify right side
    48,582.15x = 3,064,941,988.53
  5. Step 5: Solve for x
    x = 3,064,941,988.53/48,582.15
  6. Step 6: Final answer
    x = 63,087.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.