Home / 70,519.41-97,307.19-40,302.63

Finding the Fourth Proportional to 70,519.41, 97,307.19 and 40,302.63

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Solution

The fourth proportional to 70,519.41, 97,307.19 and 40,302.63 is: 55,612.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,519.41 : 97,307.19 = 40,302.63 : x
  2. Step 2: Convert to fraction form
    70,519.41/97,307.19 = 40,302.63/x
  3. Step 3: Cross multiply
    70,519.41x = 97,307.19 × 40,302.63
  4. Step 4: Simplify right side
    70,519.41x = 3,921,735,674.91
  5. Step 5: Solve for x
    x = 3,921,735,674.91/70,519.41
  6. Step 6: Final answer
    x = 55,612.15

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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.