Home / 87,886.66-121,282.98-47,599.50

Finding the Fourth Proportional to 87,886.66, 121,282.98 and 47,599.50

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Solution

The fourth proportional to 87,886.66, 121,282.98 and 47,599.50 is: 65,686.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,886.66 : 121,282.98 = 47,599.50 : x
  2. Step 2: Convert to fraction form
    87,886.66/121,282.98 = 47,599.50/x
  3. Step 3: Cross multiply
    87,886.66x = 121,282.98 × 47,599.50
  4. Step 4: Simplify right side
    87,886.66x = 5,773,009,206.51
  5. Step 5: Solve for x
    x = 5,773,009,206.51/87,886.66
  6. Step 6: Final answer
    x = 65,686.98

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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.