Home / 75,055.50-112,555.02-30,658.53

Finding the Fourth Proportional to 75,055.50, 112,555.02 and 30,658.53

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Solution

The fourth proportional to 75,055.50, 112,555.02 and 30,658.53 is: 45,976.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,055.50 : 112,555.02 = 30,658.53 : x
  2. Step 2: Convert to fraction form
    75,055.50/112,555.02 = 30,658.53/x
  3. Step 3: Cross multiply
    75,055.50x = 112,555.02 × 30,658.53
  4. Step 4: Simplify right side
    75,055.50x = 3,450,771,457.32
  5. Step 5: Solve for x
    x = 3,450,771,457.32/75,055.50
  6. Step 6: Final answer
    x = 45,976.26

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1.5x scale

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.