Home / 87,130.08-130,750.47-37,210.59

Finding the Fourth Proportional to 87,130.08, 130,750.47 and 37,210.59

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Solution

The fourth proportional to 87,130.08, 130,750.47 and 37,210.59 is: 55,839.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,130.08 : 130,750.47 = 37,210.59 : x
  2. Step 2: Convert to fraction form
    87,130.08/130,750.47 = 37,210.59/x
  3. Step 3: Cross multiply
    87,130.08x = 130,750.47 × 37,210.59
  4. Step 4: Simplify right side
    87,130.08x = 4,865,302,131.48
  5. Step 5: Solve for x
    x = 4,865,302,131.48/87,130.08
  6. Step 6: Final answer
    x = 55,839.52

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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.