Home / 75,155.10-112,706.02-21,835.97

Finding the Fourth Proportional to 75,155.10, 112,706.02 and 21,835.97

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Solution

The fourth proportional to 75,155.10, 112,706.02 and 21,835.97 is: 32,746.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,155.10 : 112,706.02 = 21,835.97 : x
  2. Step 2: Convert to fraction form
    75,155.10/112,706.02 = 21,835.97/x
  3. Step 3: Cross multiply
    75,155.10x = 112,706.02 × 21,835.97
  4. Step 4: Simplify right side
    75,155.10x = 2,461,045,271.54
  5. Step 5: Solve for x
    x = 2,461,045,271.54/75,155.10
  6. Step 6: Final answer
    x = 32,746.22

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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.