Home / 88,126.64-121,614.37-47,840.07

Finding the Fourth Proportional to 88,126.64, 121,614.37 and 47,840.07

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Solution

The fourth proportional to 88,126.64, 121,614.37 and 47,840.07 is: 66,019.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,126.64 : 121,614.37 = 47,840.07 : x
  2. Step 2: Convert to fraction form
    88,126.64/121,614.37 = 47,840.07/x
  3. Step 3: Cross multiply
    88,126.64x = 121,614.37 × 47,840.07
  4. Step 4: Simplify right side
    88,126.64x = 5,818,039,973.81
  5. Step 5: Solve for x
    x = 5,818,039,973.81/88,126.64
  6. Step 6: Final answer
    x = 66,019.08

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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.