Home / 91,530.99-126,317.45-51,242.35

Finding the Fourth Proportional to 91,530.99, 126,317.45 and 51,242.35

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Solution

The fourth proportional to 91,530.99, 126,317.45 and 51,242.35 is: 70,717.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,530.99 : 126,317.45 = 51,242.35 : x
  2. Step 2: Convert to fraction form
    91,530.99/126,317.45 = 51,242.35/x
  3. Step 3: Cross multiply
    91,530.99x = 126,317.45 × 51,242.35
  4. Step 4: Simplify right side
    91,530.99x = 6,472,802,533.78
  5. Step 5: Solve for x
    x = 6,472,802,533.78/91,530.99
  6. Step 6: Final answer
    x = 70,717.06

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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.