Home / 110,970.72-153,096.48-70,677.24

Finding the Fourth Proportional to 110,970.72, 153,096.48 and 70,677.24

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Solution

The fourth proportional to 110,970.72, 153,096.48 and 70,677.24 is: 97,507.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,970.72 : 153,096.48 = 70,677.24 : x
  2. Step 2: Convert to fraction form
    110,970.72/153,096.48 = 70,677.24/x
  3. Step 3: Cross multiply
    110,970.72x = 153,096.48 × 70,677.24
  4. Step 4: Simplify right side
    110,970.72x = 10,820,436,660.12
  5. Step 5: Solve for x
    x = 10,820,436,660.12/110,970.72
  6. Step 6: Final answer
    x = 97,507.13

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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.