Home / 65,472.03-98,214.12-21,088.35

Finding the Fourth Proportional to 65,472.03, 98,214.12 and 21,088.35

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Solution

The fourth proportional to 65,472.03, 98,214.12 and 21,088.35 is: 31,634.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,472.03 : 98,214.12 = 21,088.35 : x
  2. Step 2: Convert to fraction form
    65,472.03/98,214.12 = 21,088.35/x
  3. Step 3: Cross multiply
    65,472.03x = 98,214.12 × 21,088.35
  4. Step 4: Simplify right side
    65,472.03x = 2,071,173,737.50
  5. Step 5: Solve for x
    x = 2,071,173,737.50/65,472.03
  6. Step 6: Final answer
    x = 31,634.48

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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.