Home / 84,303.68-126,526.46-42,171.12

Finding the Fourth Proportional to 84,303.68, 126,526.46 and 42,171.12

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Solution

The fourth proportional to 84,303.68, 126,526.46 and 42,171.12 is: 63,292.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,303.68 : 126,526.46 = 42,171.12 : x
  2. Step 2: Convert to fraction form
    84,303.68/126,526.46 = 42,171.12/x
  3. Step 3: Cross multiply
    84,303.68x = 126,526.46 × 42,171.12
  4. Step 4: Simplify right side
    84,303.68x = 5,335,762,527.84
  5. Step 5: Solve for x
    x = 5,335,762,527.84/84,303.68
  6. Step 6: Final answer
    x = 63,292.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.