Home / 70,638.19-97,486.17-40,432.99

Finding the Fourth Proportional to 70,638.19, 97,486.17 and 40,432.99

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Solution

The fourth proportional to 70,638.19, 97,486.17 and 40,432.99 is: 55,800.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,638.19 : 97,486.17 = 40,432.99 : x
  2. Step 2: Convert to fraction form
    70,638.19/97,486.17 = 40,432.99/x
  3. Step 3: Cross multiply
    70,638.19x = 97,486.17 × 40,432.99
  4. Step 4: Simplify right side
    70,638.19x = 3,941,656,647.15
  5. Step 5: Solve for x
    x = 3,941,656,647.15/70,638.19
  6. Step 6: Final answer
    x = 55,800.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.