Home / 65,426.31-98,155.89-25,970.40

Finding the Fourth Proportional to 65,426.31, 98,155.89 and 25,970.40

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Solution

The fourth proportional to 65,426.31, 98,155.89 and 25,970.40 is: 38,962.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,426.31 : 98,155.89 = 25,970.40 : x
  2. Step 2: Convert to fraction form
    65,426.31/98,155.89 = 25,970.40/x
  3. Step 3: Cross multiply
    65,426.31x = 98,155.89 × 25,970.40
  4. Step 4: Simplify right side
    65,426.31x = 2,549,147,725.66
  5. Step 5: Solve for x
    x = 2,549,147,725.66/65,426.31
  6. Step 6: Final answer
    x = 38,962.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.