Home / 87,881.41-121,276.45-47,595.22

Finding the Fourth Proportional to 87,881.41, 121,276.45 and 47,595.22

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Solution

The fourth proportional to 87,881.41, 121,276.45 and 47,595.22 is: 65,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,881.41 : 121,276.45 = 47,595.22 : x
  2. Step 2: Convert to fraction form
    87,881.41/121,276.45 = 47,595.22/x
  3. Step 3: Cross multiply
    87,881.41x = 121,276.45 × 47,595.22
  4. Step 4: Simplify right side
    87,881.41x = 5,772,179,080.59
  5. Step 5: Solve for x
    x = 5,772,179,080.59/87,881.41
  6. Step 6: Final answer
    x = 65,681.46

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1.5x scale

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.