Home / 65,088.36-97,688.70-31,833

Finding the Fourth Proportional to 65,088.36, 97,688.70 and 31,833

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Solution

The fourth proportional to 65,088.36, 97,688.70 and 31,833 is: 47,776.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,088.36 : 97,688.70 = 31,833 : x
  2. Step 2: Convert to fraction form
    65,088.36/97,688.70 = 31,833/x
  3. Step 3: Cross multiply
    65,088.36x = 97,688.70 × 31,833
  4. Step 4: Simplify right side
    65,088.36x = 3,109,724,387.10
  5. Step 5: Solve for x
    x = 3,109,724,387.10/65,088.36
  6. Step 6: Final answer
    x = 47,776.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.