Home / 65,641-97,949.28-58,572.40

Finding the Fourth Proportional to 65,641, 97,949.28 and 58,572.40

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Solution

The fourth proportional to 65,641, 97,949.28 and 58,572.40 is: 87,401.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,641 : 97,949.28 = 58,572.40 : x
  2. Step 2: Convert to fraction form
    65,641/97,949.28 = 58,572.40/x
  3. Step 3: Cross multiply
    65,641x = 97,949.28 × 58,572.40
  4. Step 4: Simplify right side
    65,641x = 5,737,124,407.87
  5. Step 5: Solve for x
    x = 5,737,124,407.87/65,641
  6. Step 6: Final answer
    x = 87,401.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.