Home / 87,104.79-130,547.03-49,686.02

Finding the Fourth Proportional to 87,104.79, 130,547.03 and 49,686.02

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Solution

The fourth proportional to 87,104.79, 130,547.03 and 49,686.02 is: 74,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,104.79 : 130,547.03 = 49,686.02 : x
  2. Step 2: Convert to fraction form
    87,104.79/130,547.03 = 49,686.02/x
  3. Step 3: Cross multiply
    87,104.79x = 130,547.03 × 49,686.02
  4. Step 4: Simplify right side
    87,104.79x = 6,486,362,794.10
  5. Step 5: Solve for x
    x = 6,486,362,794.10/87,104.79
  6. Step 6: Final answer
    x = 74,466.20

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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.