Home / 65,330.16-97,981.32-38,296.32

Finding the Fourth Proportional to 65,330.16, 97,981.32 and 38,296.32

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Solution

The fourth proportional to 65,330.16, 97,981.32 and 38,296.32 is: 57,436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,330.16 : 97,981.32 = 38,296.32 : x
  2. Step 2: Convert to fraction form
    65,330.16/97,981.32 = 38,296.32/x
  3. Step 3: Cross multiply
    65,330.16x = 97,981.32 × 38,296.32
  4. Step 4: Simplify right side
    65,330.16x = 3,752,323,984.74
  5. Step 5: Solve for x
    x = 3,752,323,984.74/65,330.16
  6. Step 6: Final answer
    x = 57,436.32

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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.