Home / 78,541.64-108,392.02-44,551.48

Finding the Fourth Proportional to 78,541.64, 108,392.02 and 44,551.48

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Solution

The fourth proportional to 78,541.64, 108,392.02 and 44,551.48 is: 61,483.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,541.64 : 108,392.02 = 44,551.48 : x
  2. Step 2: Convert to fraction form
    78,541.64/108,392.02 = 44,551.48/x
  3. Step 3: Cross multiply
    78,541.64x = 108,392.02 × 44,551.48
  4. Step 4: Simplify right side
    78,541.64x = 4,829,024,911.19
  5. Step 5: Solve for x
    x = 4,829,024,911.19/78,541.64
  6. Step 6: Final answer
    x = 61,483.63

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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.