Home / 70,700.08-97,563.62-38,868.74

Finding the Fourth Proportional to 70,700.08, 97,563.62 and 38,868.74

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Solution

The fourth proportional to 70,700.08, 97,563.62 and 38,868.74 is: 53,637.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,700.08 : 97,563.62 = 38,868.74 : x
  2. Step 2: Convert to fraction form
    70,700.08/97,563.62 = 38,868.74/x
  3. Step 3: Cross multiply
    70,700.08x = 97,563.62 × 38,868.74
  4. Step 4: Simplify right side
    70,700.08x = 3,792,174,979.24
  5. Step 5: Solve for x
    x = 3,792,174,979.24/70,700.08
  6. Step 6: Final answer
    x = 53,637.49

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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.