Home / 88,256.91-121,795.28-47,970.67

Finding the Fourth Proportional to 88,256.91, 121,795.28 and 47,970.67

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Solution

The fourth proportional to 88,256.91, 121,795.28 and 47,970.67 is: 66,199.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,256.91 : 121,795.28 = 47,970.67 : x
  2. Step 2: Convert to fraction form
    88,256.91/121,795.28 = 47,970.67/x
  3. Step 3: Cross multiply
    88,256.91x = 121,795.28 × 47,970.67
  4. Step 4: Simplify right side
    88,256.91x = 5,842,601,184.44
  5. Step 5: Solve for x
    x = 5,842,601,184.44/88,256.91
  6. Step 6: Final answer
    x = 66,199.93

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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.