Home / 70,341.12-97,051.50-45,205.20

Finding the Fourth Proportional to 70,341.12, 97,051.50 and 45,205.20

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Solution

The fourth proportional to 70,341.12, 97,051.50 and 45,205.20 is: 62,370.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,341.12 : 97,051.50 = 45,205.20 : x
  2. Step 2: Convert to fraction form
    70,341.12/97,051.50 = 45,205.20/x
  3. Step 3: Cross multiply
    70,341.12x = 97,051.50 × 45,205.20
  4. Step 4: Simplify right side
    70,341.12x = 4,387,232,467.80
  5. Step 5: Solve for x
    x = 4,387,232,467.80/70,341.12
  6. Step 6: Final answer
    x = 62,370.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.