Home / 70,520.05-97,298.26-45,384.13

Finding the Fourth Proportional to 70,520.05, 97,298.26 and 45,384.13

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Solution

The fourth proportional to 70,520.05, 97,298.26 and 45,384.13 is: 62,617.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,520.05 : 97,298.26 = 45,384.13 : x
  2. Step 2: Convert to fraction form
    70,520.05/97,298.26 = 45,384.13/x
  3. Step 3: Cross multiply
    70,520.05x = 97,298.26 × 45,384.13
  4. Step 4: Simplify right side
    70,520.05x = 4,415,796,880.61
  5. Step 5: Solve for x
    x = 4,415,796,880.61/70,520.05
  6. Step 6: Final answer
    x = 62,617.61

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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.