Home / 94,617.11-130,574.63-54,339.05

Finding the Fourth Proportional to 94,617.11, 130,574.63 and 54,339.05

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Solution

The fourth proportional to 94,617.11, 130,574.63 and 54,339.05 is: 74,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,617.11 : 130,574.63 = 54,339.05 : x
  2. Step 2: Convert to fraction form
    94,617.11/130,574.63 = 54,339.05/x
  3. Step 3: Cross multiply
    94,617.11x = 130,574.63 × 54,339.05
  4. Step 4: Simplify right side
    94,617.11x = 7,095,301,810.59
  5. Step 5: Solve for x
    x = 7,095,301,810.59/94,617.11
  6. Step 6: Final answer
    x = 74,989.63

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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.