Home / 67,929.18-101,899.23-25,829.40

Finding the Fourth Proportional to 67,929.18, 101,899.23 and 25,829.40

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Solution

The fourth proportional to 67,929.18, 101,899.23 and 25,829.40 is: 38,746.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,929.18 : 101,899.23 = 25,829.40 : x
  2. Step 2: Convert to fraction form
    67,929.18/101,899.23 = 25,829.40/x
  3. Step 3: Cross multiply
    67,929.18x = 101,899.23 × 25,829.40
  4. Step 4: Simplify right side
    67,929.18x = 2,631,995,971.36
  5. Step 5: Solve for x
    x = 2,631,995,971.36/67,929.18
  6. Step 6: Final answer
    x = 38,746.18

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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.