Home / 78,461.16-108,275.96-44,476.08

Finding the Fourth Proportional to 78,461.16, 108,275.96 and 44,476.08

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Solution

The fourth proportional to 78,461.16, 108,275.96 and 44,476.08 is: 61,376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,461.16 : 108,275.96 = 44,476.08 : x
  2. Step 2: Convert to fraction form
    78,461.16/108,275.96 = 44,476.08/x
  3. Step 3: Cross multiply
    78,461.16x = 108,275.96 × 44,476.08
  4. Step 4: Simplify right side
    78,461.16x = 4,815,690,259.04
  5. Step 5: Solve for x
    x = 4,815,690,259.04/78,461.16
  6. Step 6: Final answer
    x = 61,376.74

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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.