Home / 70,746.17-105,985.55-41,808.45

Finding the Fourth Proportional to 70,746.17, 105,985.55 and 41,808.45

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Solution

The fourth proportional to 70,746.17, 105,985.55 and 41,808.45 is: 62,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,746.17 : 105,985.55 = 41,808.45 : x
  2. Step 2: Convert to fraction form
    70,746.17/105,985.55 = 41,808.45/x
  3. Step 3: Cross multiply
    70,746.17x = 105,985.55 × 41,808.45
  4. Step 4: Simplify right side
    70,746.17x = 4,431,091,358.86
  5. Step 5: Solve for x
    x = 4,431,091,358.86/70,746.17
  6. Step 6: Final answer
    x = 62,633.66

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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.