Home / 88,261.23-121,802.87-47,977.71

Finding the Fourth Proportional to 88,261.23, 121,802.87 and 47,977.71

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Solution

The fourth proportional to 88,261.23, 121,802.87 and 47,977.71 is: 66,210.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,261.23 : 121,802.87 = 47,977.71 : x
  2. Step 2: Convert to fraction form
    88,261.23/121,802.87 = 47,977.71/x
  3. Step 3: Cross multiply
    88,261.23x = 121,802.87 × 47,977.71
  4. Step 4: Simplify right side
    88,261.23x = 5,843,822,437.21
  5. Step 5: Solve for x
    x = 5,843,822,437.21/88,261.23
  6. Step 6: Final answer
    x = 66,210.52

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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.