Home / 70,713.28-97,584.33-42,428.08

Finding the Fourth Proportional to 70,713.28, 97,584.33 and 42,428.08

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Solution

The fourth proportional to 70,713.28, 97,584.33 and 42,428.08 is: 58,550.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,713.28 : 97,584.33 = 42,428.08 : x
  2. Step 2: Convert to fraction form
    70,713.28/97,584.33 = 42,428.08/x
  3. Step 3: Cross multiply
    70,713.28x = 97,584.33 × 42,428.08
  4. Step 4: Simplify right side
    70,713.28x = 4,140,315,802.41
  5. Step 5: Solve for x
    x = 4,140,315,802.41/70,713.28
  6. Step 6: Final answer
    x = 58,550.75

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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.