Home / 70,715.00-97,586.60-40,510.10

Finding the Fourth Proportional to 70,715.00, 97,586.60 and 40,510.10

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Solution

The fourth proportional to 70,715.00, 97,586.60 and 40,510.10 is: 55,903.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,715.00 : 97,586.60 = 40,510.10 : x
  2. Step 2: Convert to fraction form
    70,715.00/97,586.60 = 40,510.10/x
  3. Step 3: Cross multiply
    70,715.00x = 97,586.60 × 40,510.10
  4. Step 4: Simplify right side
    70,715.00x = 3,953,242,966.08
  5. Step 5: Solve for x
    x = 3,953,242,966.08/70,715.00
  6. Step 6: Final answer
    x = 55,903.88

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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.