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Finding the Fourth Proportional to 91,323.60, 126,035.64 and 53,597.04

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Solution

The fourth proportional to 91,323.60, 126,035.64 and 53,597.04 is: 73,969.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,323.60 : 126,035.64 = 53,597.04 : x
  2. Step 2: Convert to fraction form
    91,323.60/126,035.64 = 53,597.04/x
  3. Step 3: Cross multiply
    91,323.60x = 126,035.64 × 53,597.04
  4. Step 4: Simplify right side
    91,323.60x = 6,755,137,238.51
  5. Step 5: Solve for x
    x = 6,755,137,238.51/91,323.60
  6. Step 6: Final answer
    x = 73,969.24

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1.5x scale

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.