Home / 97,807.96-135,057.72-62,061.40

Finding the Fourth Proportional to 97,807.96, 135,057.72 and 62,061.40

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Solution

The fourth proportional to 97,807.96, 135,057.72 and 62,061.40 is: 85,697.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,807.96 : 135,057.72 = 62,061.40 : x
  2. Step 2: Convert to fraction form
    97,807.96/135,057.72 = 62,061.40/x
  3. Step 3: Cross multiply
    97,807.96x = 135,057.72 × 62,061.40
  4. Step 4: Simplify right side
    97,807.96x = 8,381,871,184.01
  5. Step 5: Solve for x
    x = 8,381,871,184.01/97,807.96
  6. Step 6: Final answer
    x = 85,697.23

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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.