Home / 70,883.50-97,833.39-40,689.23

Finding the Fourth Proportional to 70,883.50, 97,833.39 and 40,689.23

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Solution

The fourth proportional to 70,883.50, 97,833.39 and 40,689.23 is: 56,159.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,883.50 : 97,833.39 = 40,689.23 : x
  2. Step 2: Convert to fraction form
    70,883.50/97,833.39 = 40,689.23/x
  3. Step 3: Cross multiply
    70,883.50x = 97,833.39 × 40,689.23
  4. Step 4: Simplify right side
    70,883.50x = 3,980,765,307.39
  5. Step 5: Solve for x
    x = 3,980,765,307.39/70,883.50
  6. Step 6: Final answer
    x = 56,159.27

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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.