Home / 88,386.93-121,973.14-48,100.74

Finding the Fourth Proportional to 88,386.93, 121,973.14 and 48,100.74

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Solution

The fourth proportional to 88,386.93, 121,973.14 and 48,100.74 is: 66,378.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,386.93 : 121,973.14 = 48,100.74 : x
  2. Step 2: Convert to fraction form
    88,386.93/121,973.14 = 48,100.74/x
  3. Step 3: Cross multiply
    88,386.93x = 121,973.14 × 48,100.74
  4. Step 4: Simplify right side
    88,386.93x = 5,866,997,896.85
  5. Step 5: Solve for x
    x = 5,866,997,896.85/88,386.93
  6. Step 6: Final answer
    x = 66,378.57

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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.