Home / 70,347.75-97,089.17-40,126.16

Finding the Fourth Proportional to 70,347.75, 97,089.17 and 40,126.16

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Solution

The fourth proportional to 70,347.75, 97,089.17 and 40,126.16 is: 55,379.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,347.75 : 97,089.17 = 40,126.16 : x
  2. Step 2: Convert to fraction form
    70,347.75/97,089.17 = 40,126.16/x
  3. Step 3: Cross multiply
    70,347.75x = 97,089.17 × 40,126.16
  4. Step 4: Simplify right side
    70,347.75x = 3,895,814,883.61
  5. Step 5: Solve for x
    x = 3,895,814,883.61/70,347.75
  6. Step 6: Final answer
    x = 55,379.38

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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.