Home / 88,445.60-121,847.34-61,541.84

Finding the Fourth Proportional to 88,445.60, 121,847.34 and 61,541.84

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Solution

The fourth proportional to 88,445.60, 121,847.34 and 61,541.84 is: 84,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,445.60 : 121,847.34 = 61,541.84 : x
  2. Step 2: Convert to fraction form
    88,445.60/121,847.34 = 61,541.84/x
  3. Step 3: Cross multiply
    88,445.60x = 121,847.34 × 61,541.84
  4. Step 4: Simplify right side
    88,445.60x = 7,498,709,502.71
  5. Step 5: Solve for x
    x = 7,498,709,502.71/88,445.60
  6. Step 6: Final answer
    x = 84,783.30

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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.