Home / 87,030.35-130,547.36-27,865.86

Finding the Fourth Proportional to 87,030.35, 130,547.36 and 27,865.86

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Solution

The fourth proportional to 87,030.35, 130,547.36 and 27,865.86 is: 41,799.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,030.35 : 130,547.36 = 27,865.86 : x
  2. Step 2: Convert to fraction form
    87,030.35/130,547.36 = 27,865.86/x
  3. Step 3: Cross multiply
    87,030.35x = 130,547.36 × 27,865.86
  4. Step 4: Simplify right side
    87,030.35x = 3,637,814,457.13
  5. Step 5: Solve for x
    x = 3,637,814,457.13/87,030.35
  6. Step 6: Final answer
    x = 41,799.38

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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.