Home / 55,810.64-77,018.28-31,936.16

Finding the Fourth Proportional to 55,810.64, 77,018.28 and 31,936.16

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Solution

The fourth proportional to 55,810.64, 77,018.28 and 31,936.16 is: 44,071.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,810.64 : 77,018.28 = 31,936.16 : x
  2. Step 2: Convert to fraction form
    55,810.64/77,018.28 = 31,936.16/x
  3. Step 3: Cross multiply
    55,810.64x = 77,018.28 × 31,936.16
  4. Step 4: Simplify right side
    55,810.64x = 2,459,668,113.00
  5. Step 5: Solve for x
    x = 2,459,668,113.00/55,810.64
  6. Step 6: Final answer
    x = 44,071.67

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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.