Home / 91,330.16-126,030.94-51,036.06

Finding the Fourth Proportional to 91,330.16, 126,030.94 and 51,036.06

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Solution

The fourth proportional to 91,330.16, 126,030.94 and 51,036.06 is: 70,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,330.16 : 126,030.94 = 51,036.06 : x
  2. Step 2: Convert to fraction form
    91,330.16/126,030.94 = 51,036.06/x
  3. Step 3: Cross multiply
    91,330.16x = 126,030.94 × 51,036.06
  4. Step 4: Simplify right side
    91,330.16x = 6,432,122,615.70
  5. Step 5: Solve for x
    x = 6,432,122,615.70/91,330.16
  6. Step 6: Final answer
    x = 70,427.15

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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.