Home / 91,341.63-126,051.41-53,615.88

Finding the Fourth Proportional to 91,341.63, 126,051.41 and 53,615.88

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Solution

The fourth proportional to 91,341.63, 126,051.41 and 53,615.88 is: 73,989.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,341.63 : 126,051.41 = 53,615.88 : x
  2. Step 2: Convert to fraction form
    91,341.63/126,051.41 = 53,615.88/x
  3. Step 3: Cross multiply
    91,341.63x = 126,051.41 × 53,615.88
  4. Step 4: Simplify right side
    91,341.63x = 6,758,357,520.50
  5. Step 5: Solve for x
    x = 6,758,357,520.50/91,341.63
  6. Step 6: Final answer
    x = 73,989.89

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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.