Home / 91,341.51-126,051.24-53,615.76

Finding the Fourth Proportional to 91,341.51, 126,051.24 and 53,615.76

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Solution

The fourth proportional to 91,341.51, 126,051.24 and 53,615.76 is: 73,989.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,341.51 : 126,051.24 = 53,615.76 : x
  2. Step 2: Convert to fraction form
    91,341.51/126,051.24 = 53,615.76/x
  3. Step 3: Cross multiply
    91,341.51x = 126,051.24 × 53,615.76
  4. Step 4: Simplify right side
    91,341.51x = 6,758,332,522.48
  5. Step 5: Solve for x
    x = 6,758,332,522.48/91,341.51
  6. Step 6: Final answer
    x = 73,989.72

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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.