Home / 88,261.07-121,802.63-47,977.53

Finding the Fourth Proportional to 88,261.07, 121,802.63 and 47,977.53

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Solution

The fourth proportional to 88,261.07, 121,802.63 and 47,977.53 is: 66,210.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,261.07 : 121,802.63 = 47,977.53 : x
  2. Step 2: Convert to fraction form
    88,261.07/121,802.63 = 47,977.53/x
  3. Step 3: Cross multiply
    88,261.07x = 121,802.63 × 47,977.53
  4. Step 4: Simplify right side
    88,261.07x = 5,843,789,095.02
  5. Step 5: Solve for x
    x = 5,843,789,095.02/88,261.07
  6. Step 6: Final answer
    x = 66,210.27

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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.