Home / 70,533.18-97,334.46-38,701.80

Finding the Fourth Proportional to 70,533.18, 97,334.46 and 38,701.80

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Solution

The fourth proportional to 70,533.18, 97,334.46 and 38,701.80 is: 53,407.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,533.18 : 97,334.46 = 38,701.80 : x
  2. Step 2: Convert to fraction form
    70,533.18/97,334.46 = 38,701.80/x
  3. Step 3: Cross multiply
    70,533.18x = 97,334.46 × 38,701.80
  4. Step 4: Simplify right side
    70,533.18x = 3,767,018,804.03
  5. Step 5: Solve for x
    x = 3,767,018,804.03/70,533.18
  6. Step 6: Final answer
    x = 53,407.76

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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.