Home / 55,802.16-77,011.29-31,936.32

Finding the Fourth Proportional to 55,802.16, 77,011.29 and 31,936.32

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Solution

The fourth proportional to 55,802.16, 77,011.29 and 31,936.32 is: 44,074.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,802.16 : 77,011.29 = 31,936.32 : x
  2. Step 2: Convert to fraction form
    55,802.16/77,011.29 = 31,936.32/x
  3. Step 3: Cross multiply
    55,802.16x = 77,011.29 × 31,936.32
  4. Step 4: Simplify right side
    55,802.16x = 2,459,457,201.05
  5. Step 5: Solve for x
    x = 2,459,457,201.05/55,802.16
  6. Step 6: Final answer
    x = 44,074.59

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1.5x scale

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.