Home / 58,720.10-87,934.35-47,056.10

Finding the Fourth Proportional to 58,720.10, 87,934.35 and 47,056.10

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Solution

The fourth proportional to 58,720.10, 87,934.35 and 47,056.10 is: 70,467.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,720.10 : 87,934.35 = 47,056.10 : x
  2. Step 2: Convert to fraction form
    58,720.10/87,934.35 = 47,056.10/x
  3. Step 3: Cross multiply
    58,720.10x = 87,934.35 × 47,056.10
  4. Step 4: Simplify right side
    58,720.10x = 4,137,847,567.04
  5. Step 5: Solve for x
    x = 4,137,847,567.04/58,720.10
  6. Step 6: Final answer
    x = 70,467.31

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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.