Home / 70,685.06-97,544.59-38,418.98

Finding the Fourth Proportional to 70,685.06, 97,544.59 and 38,418.98

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Solution

The fourth proportional to 70,685.06, 97,544.59 and 38,418.98 is: 53,017.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,685.06 : 97,544.59 = 38,418.98 : x
  2. Step 2: Convert to fraction form
    70,685.06/97,544.59 = 38,418.98/x
  3. Step 3: Cross multiply
    70,685.06x = 97,544.59 × 38,418.98
  4. Step 4: Simplify right side
    70,685.06x = 3,747,563,068.55
  5. Step 5: Solve for x
    x = 3,747,563,068.55/70,685.06
  6. Step 6: Final answer
    x = 53,017.76

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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.