Home / 88,389.48-121,835.86-59,700.16

Finding the Fourth Proportional to 88,389.48, 121,835.86 and 59,700.16

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Solution

The fourth proportional to 88,389.48, 121,835.86 and 59,700.16 is: 82,290.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,389.48 : 121,835.86 = 59,700.16 : x
  2. Step 2: Convert to fraction form
    88,389.48/121,835.86 = 59,700.16/x
  3. Step 3: Cross multiply
    88,389.48x = 121,835.86 × 59,700.16
  4. Step 4: Simplify right side
    88,389.48x = 7,273,620,335.74
  5. Step 5: Solve for x
    x = 7,273,620,335.74/88,389.48
  6. Step 6: Final answer
    x = 82,290.57

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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.