Home / 70,588.02-97,407.03-38,754.21

Finding the Fourth Proportional to 70,588.02, 97,407.03 and 38,754.21

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Solution

The fourth proportional to 70,588.02, 97,407.03 and 38,754.21 is: 53,478.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,588.02 : 97,407.03 = 38,754.21 : x
  2. Step 2: Convert to fraction form
    70,588.02/97,407.03 = 38,754.21/x
  3. Step 3: Cross multiply
    70,588.02x = 97,407.03 × 38,754.21
  4. Step 4: Simplify right side
    70,588.02x = 3,774,932,496.10
  5. Step 5: Solve for x
    x = 3,774,932,496.10/70,588.02
  6. Step 6: Final answer
    x = 53,478.37

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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.