Home / 94,430.12-130,313.14-51,988.61

Finding the Fourth Proportional to 94,430.12, 130,313.14 and 51,988.61

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Solution

The fourth proportional to 94,430.12, 130,313.14 and 51,988.61 is: 71,744.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,430.12 : 130,313.14 = 51,988.61 : x
  2. Step 2: Convert to fraction form
    94,430.12/130,313.14 = 51,988.61/x
  3. Step 3: Cross multiply
    94,430.12x = 130,313.14 × 51,988.61
  4. Step 4: Simplify right side
    94,430.12x = 6,774,799,209.15
  5. Step 5: Solve for x
    x = 6,774,799,209.15/94,430.12
  6. Step 6: Final answer
    x = 71,744.05

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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.