Home / 70,640.19-97,488.92-40,434.99

Finding the Fourth Proportional to 70,640.19, 97,488.92 and 40,434.99

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Solution

The fourth proportional to 70,640.19, 97,488.92 and 40,434.99 is: 55,803.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,640.19 : 97,488.92 = 40,434.99 : x
  2. Step 2: Convert to fraction form
    70,640.19/97,488.92 = 40,434.99/x
  3. Step 3: Cross multiply
    70,640.19x = 97,488.92 × 40,434.99
  4. Step 4: Simplify right side
    70,640.19x = 3,941,963,505.31
  5. Step 5: Solve for x
    x = 3,941,963,505.31/70,640.19
  6. Step 6: Final answer
    x = 55,803.41

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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.